Psi2ir: do not sort descriptors for fake override generation

Descriptors are already supposed to be sorted in scopes. The problem is
that rendering descriptors for sorting takes a lot of time (~1.5% of
total compilation time of intellij with JVM IR), and simple heuristics,
like comparing by names first, don't fully help with it.

 #KT-48233

compiler/testData/codegen/box/fir/callableReferenceToJavaField.txt

@@ -59,9 +59,6 @@ FILE fqName:foo fileName:/main.kt
             $this: TYPE_OP type=foo.A origin=IMPLICIT_NOTNULL typeOperand=foo.A
               GET_FIELD 'FIELD IR_EXTERNAL_JAVA_DECLARATION_STUB name:a type:@[FlexibleNullability] foo.A? visibility:protected/*protected and package*/' type=@[FlexibleNullability] foo.A? origin=GET_PROPERTY
                 receiver: GET_VAR '<this>: foo.Derived declared in foo.Derived.box' type=foo.Derived origin=null
-    PROPERTY FAKE_OVERRIDE name:a visibility:protected/*protected and package*/ modality:FINAL [fake_override,var]
-      overridden:
-        protected/*protected and package*/ final a: @[FlexibleNullability] foo.A? [var]
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
       overridden:
         public open fun equals (other: kotlin.Any?): kotlin.Boolean [fake_override,operator] declared in bar.Base
@@ -75,6 +72,9 @@ FILE fqName:foo fileName:/main.kt
       overridden:
         public open fun toString (): kotlin.String [fake_override] declared in bar.Base
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+    PROPERTY FAKE_OVERRIDE name:a visibility:protected/*protected and package*/ modality:FINAL [fake_override,var]
+      overridden:
+        protected/*protected and package*/ final a: @[FlexibleNullability] foo.A? [var]
   FUN name:box visibility:public modality:FINAL <> () returnType:kotlin.String
     BLOCK_BODY
       RETURN type=kotlin.Nothing from='public final fun box (): kotlin.String declared in foo'