Fir2Ir: more precise calculation of enum class modality

Use the same condition as in the already existing `createIrEnumEntry`
function (and as in psi2ir): enum class should be final unless there's
an enum entry with any declaration other than its constructor.

 #KT-57216

compiler/testData/ir/irText/firProblems/lambdaInEnumEntryConstructorCall.fir.ir.txt

@@ -38,7 +38,7 @@ FILE fqName:<root> fileName:/lambdaInEnumEntryConstructorCall.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-  CLASS ENUM_CLASS name:ConfigurationParameter modality:OPEN visibility:public superTypes:[kotlin.Enum<<root>.ConfigurationParameter>]
+  CLASS ENUM_CLASS name:ConfigurationParameter modality:FINAL visibility:public superTypes:[kotlin.Enum<<root>.ConfigurationParameter>]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.ConfigurationParameter
     ENUM_ENTRY name:BASE_URL
       init: EXPRESSION_BODY
@@ -65,7 +65,7 @@ FILE fqName:<root> fileName:/lambdaInEnumEntryConstructorCall.kt
       BLOCK_BODY
         ENUM_CONSTRUCTOR_CALL 'public constructor <init> (name: kotlin.String, ordinal: kotlin.Int) [primary] declared in kotlin.Enum'
           <E>: <root>.ConfigurationParameter
-        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_CLASS name:ConfigurationParameter modality:OPEN visibility:public superTypes:[kotlin.Enum<<root>.ConfigurationParameter>]'
+        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_CLASS name:ConfigurationParameter modality:FINAL visibility:public superTypes:[kotlin.Enum<<root>.ConfigurationParameter>]'
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:kotlin.Array<<root>.ConfigurationParameter>
       SYNTHETIC_BODY kind=ENUM_VALUES
     FUN ENUM_CLASS_SPECIAL_MEMBER name:valueOf visibility:public modality:FINAL <> (value:kotlin.String) returnType:<root>.ConfigurationParameter

compiler/testData/ir/irText/firProblems/lambdaInEnumEntryConstructorCall.fir.kt.txt

@@ -12,7 +12,7 @@ class Wrapper {
 
 }
 
-open enum class ConfigurationParameter : Enum<ConfigurationParameter> {
+enum class ConfigurationParameter : Enum<ConfigurationParameter> {
   BASE_URL = ConfigurationParameter(apply = local fun <anonymous>(value: String, nc: Wrapper) {
     println(message = "Base url updated from config parameters ".plus(other = nc.<get-baseUrl>()).plus(other = " -> ").plus(other = value))
     nc.<set-baseUrl>(<set-?> = value)

compiler/testData/ir/irText/firProblems/thisInEnumConstructor.fir.ir.txt

@@ -1,5 +1,5 @@
 FILE fqName:<root> fileName:/thisInEnumConstructor.kt
-  CLASS ENUM_CLASS name:EE modality:OPEN visibility:public superTypes:[kotlin.Enum<<root>.EE>]
+  CLASS ENUM_CLASS name:EE modality:FINAL visibility:public superTypes:[kotlin.Enum<<root>.EE>]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.EE
     CONSTRUCTOR visibility:private <> (myName:kotlin.String) returnType:<root>.EE [primary]
       VALUE_PARAMETER name:myName index:0 type:kotlin.String
@@ -10,7 +10,7 @@ FILE fqName:<root> fileName:/thisInEnumConstructor.kt
       BLOCK_BODY
         ENUM_CONSTRUCTOR_CALL 'public constructor <init> (name: kotlin.String, ordinal: kotlin.Int) [primary] declared in kotlin.Enum'
           <E>: <root>.EE
-        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_CLASS name:EE modality:OPEN visibility:public superTypes:[kotlin.Enum<<root>.EE>]'
+        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_CLASS name:EE modality:FINAL visibility:public superTypes:[kotlin.Enum<<root>.EE>]'
     PROPERTY name:myName visibility:public modality:FINAL [val]
       FIELD PROPERTY_BACKING_FIELD name:myName type:kotlin.String visibility:private [final]
         EXPRESSION_BODY

compiler/testData/ir/irText/firProblems/thisInEnumConstructor.fir.kt.txt

@@ -1,4 +1,4 @@
-open enum class EE : Enum<EE> {
+enum class EE : Enum<EE> {
   private constructor(myName: String = Companion.toString().lowercase()) /* primary */ {
     super/*Enum*/<EE>()
     /* <init>() */