FIR2IR: introduce conversion scope, remove dispatch receiver for lambdas

compiler/testData/ir/irText/classes/initValInLambda.fir.txt

@@ -21,12 +21,11 @@ FILE fqName:<root> fileName:/initValInLambda.kt
           <R>: kotlin.Nothing
           $receiver: CONST Int type=kotlin.Int value=1
           block: FUN_EXPR type=kotlin.Function1<kotlin.Int, kotlin.Nothing> origin=LAMBDA
-            FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> ($this:<root>.TestInitValInLambdaCalledOnce, $receiver:kotlin.Int) returnType:kotlin.Nothing
-              $this: VALUE_PARAMETER name:<this> type:<root>.TestInitValInLambdaCalledOnce
+            FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> ($receiver:kotlin.Int) returnType:kotlin.Nothing
               $receiver: VALUE_PARAMETER name:<this> type:kotlin.Int
               BLOCK_BODY
                 SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Unit origin=null
-                  receiver: GET_VAR '<this>: <root>.TestInitValInLambdaCalledOnce declared in <root>.TestInitValInLambdaCalledOnce.<anonymous>' type=<root>.TestInitValInLambdaCalledOnce origin=null
+                  receiver: GET_VAR '<this>: <root>.TestInitValInLambdaCalledOnce declared in <root>.TestInitValInLambdaCalledOnce' type=<root>.TestInitValInLambdaCalledOnce origin=null
                   value: CONST Int type=kotlin.Int value=0
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
       overridden:

compiler/testData/ir/irText/declarations/classLevelProperties.fir.txt

@@ -88,8 +88,7 @@ FILE fqName:<root> fileName:/classLevelProperties.kt
           CALL 'public final fun lazy <T> (initializer: kotlin.Function0<T of kotlin.lazy>): kotlin.Lazy<T of kotlin.lazy> declared in kotlin' type=kotlin.Lazy<kotlin.Int> origin=null
             <T>: kotlin.Int
             initializer: FUN_EXPR type=kotlin.Function0<kotlin.Int> origin=LAMBDA
-              FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
-                $this: VALUE_PARAMETER name:<this> type:<root>.C
+              FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Int
                 BLOCK_BODY
                   RETURN type=kotlin.Nothing from='local final fun <anonymous> (): kotlin.Int declared in <root>.C.test7$delegate'
                     CONST Int type=kotlin.Int value=42

compiler/testData/ir/irText/declarations/delegatedProperties.fir.txt

@@ -42,8 +42,7 @@ FILE fqName:<root> fileName:/delegatedProperties.kt
           CALL 'public final fun lazy <T> (initializer: kotlin.Function0<T of kotlin.lazy>): kotlin.Lazy<T of kotlin.lazy> declared in kotlin' type=kotlin.Lazy<kotlin.Int> origin=null
             <T>: kotlin.Int
             initializer: FUN_EXPR type=kotlin.Function0<kotlin.Int> origin=LAMBDA
-              FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
-                $this: VALUE_PARAMETER name:<this> type:<root>.C
+              FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Int
                 BLOCK_BODY
                   RETURN type=kotlin.Nothing from='local final fun <anonymous> (): kotlin.Int declared in <root>.C.test2$delegate'
                     CONST Int type=kotlin.Int value=42

compiler/testData/ir/irText/expressions/enumEntryAsReceiver.fir.txt

@@ -28,8 +28,7 @@ FILE fqName:<root> fileName:/enumEntryAsReceiver.kt
           FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Function0<kotlin.String> visibility:private [final]
             EXPRESSION_BODY
               FUN_EXPR type=kotlin.Function0<kotlin.String> origin=LAMBDA
-                FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> ($this:<root>.X.B) returnType:kotlin.String
-                  $this: VALUE_PARAMETER name:<this> type:<root>.X.B
+                FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.String
                   BLOCK_BODY
                     RETURN type=kotlin.Nothing from='local final fun <anonymous> (): kotlin.String declared in <root>.X.B.value'
                       CALL 'public final fun <get-value2> (): kotlin.String declared in <root>.X.B' type=kotlin.String origin=GET_PROPERTY

compiler/testData/ir/irText/expressions/enumEntryReferenceFromEnumEntryClass.fir.txt

@@ -47,8 +47,7 @@ FILE fqName:<root> fileName:/enumEntryReferenceFromEnumEntryClass.kt
           FIELD PROPERTY_BACKING_FIELD name:aLambda type:kotlin.Function0<kotlin.Unit> visibility:private [final]
             EXPRESSION_BODY
               FUN_EXPR type=kotlin.Function0<kotlin.Unit> origin=LAMBDA
-                FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> ($this:<root>.MyEnum.Z) returnType:kotlin.Unit
-                  $this: VALUE_PARAMETER name:<this> type:<root>.MyEnum.Z
+                FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Unit
                   BLOCK_BODY
                     SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
                       receiver: GET_VAR '<this>: <uninitialized parent>.<anonymous> declared in <no parent>.<anonymous>' type=<uninitialized parent>.<anonymous> origin=null

compiler/testData/ir/irText/expressions/objectReference.fir.txt

@@ -88,14 +88,13 @@ FILE fqName:<root> fileName:/objectReference.kt
       FIELD PROPERTY_BACKING_FIELD name:aLambda type:kotlin.Function0<kotlin.Unit> visibility:private [final]
         EXPRESSION_BODY
           FUN_EXPR type=kotlin.Function0<kotlin.Unit> origin=LAMBDA
-            FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> ($this:<root>.Z) returnType:kotlin.Unit
-              $this: VALUE_PARAMETER name:<this> type:<root>.Z
+            FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Unit
               BLOCK_BODY
                 SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
-                  receiver: GET_VAR '<this>: <root>.Z declared in <root>.Z.aLambda.<anonymous>' type=<root>.Z origin=null
+                  receiver: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
                   value: CONST Int type=kotlin.Int value=1
                 CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
-                  $this: GET_VAR '<this>: <root>.Z declared in <root>.Z.aLambda.<anonymous>' type=<root>.Z origin=null
+                  $this: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
                 SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
                   receiver: GET_OBJECT 'CLASS OBJECT name:Z modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.Z
                   value: CONST Int type=kotlin.Int value=1