IrConstTransformer: transform constants also inside call children

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

@@ -398,8 +398,7 @@ FILE fqName:<root> fileName:/ArrayMap.kt
           <T>: T of <root>.ArrayMapImpl
           data: CALL 'public final fun arrayOfNulls <T> (size: kotlin.Int): kotlin.Array<T of kotlin.arrayOfNulls?> declared in kotlin' type=kotlin.Array<kotlin.Any?> origin=null
             <T>: kotlin.Any
-            size: CALL 'private final fun <get-DEFAULT_SIZE> (): kotlin.Int declared in <root>.ArrayMapImpl.Companion' type=kotlin.Int origin=GET_PROPERTY
-              $this: GET_OBJECT 'CLASS OBJECT name:Companion modality:FINAL visibility:public [companion] superTypes:[kotlin.Any]' type=<root>.ArrayMapImpl.Companion
+            size: CONST Int type=kotlin.Int value=20
     PROPERTY name:size visibility:public modality:FINAL [var]
       overridden:
         public abstract size: kotlin.Int [val]
@@ -445,8 +444,7 @@ FILE fqName:<root> fileName:/ArrayMap.kt
                     $this: CALL 'public final fun <get-size> (): kotlin.Int declared in kotlin.Array' type=kotlin.Int origin=GET_PROPERTY
                       $this: CALL 'private final fun <get-data> (): kotlin.Array<kotlin.Any?> declared in <root>.ArrayMapImpl' type=kotlin.Array<kotlin.Any?> origin=GET_PROPERTY
                         $this: GET_VAR '<this>: <root>.ArrayMapImpl<T of <root>.ArrayMapImpl> declared in <root>.ArrayMapImpl.ensureCapacity' type=<root>.ArrayMapImpl<T of <root>.ArrayMapImpl> origin=null
-                    other: CALL 'private final fun <get-INCREASE_K> (): kotlin.Int declared in <root>.ArrayMapImpl.Companion' type=kotlin.Int origin=GET_PROPERTY
-                      $this: GET_OBJECT 'CLASS OBJECT name:Companion modality:FINAL visibility:public [companion] superTypes:[kotlin.Any]' type=<root>.ArrayMapImpl.Companion
+                    other: CONST Int type=kotlin.Int value=2
     FUN name:set visibility:public modality:FINAL <> ($this:<root>.ArrayMapImpl<T of <root>.ArrayMapImpl>, index:kotlin.Int, value:T of <root>.ArrayMapImpl) returnType:kotlin.Unit [operator]
       overridden:
         public abstract fun set (index: kotlin.Int, value: T of <root>.ArrayMap): kotlin.Unit [operator] declared in <root>.ArrayMap

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

@@ -172,7 +172,7 @@ internal class ArrayMapImpl<T : Any> : ArrayMap<T> {
   }
 
   constructor() {
-    this/*ArrayMapImpl*/<T>(data = arrayOfNulls<Any>(size = Companion.<get-DEFAULT_SIZE>()))
+    this/*ArrayMapImpl*/<T>(data = arrayOfNulls<Any>(size = 20))
   }
 
   override var size: Int
@@ -183,7 +183,7 @@ internal class ArrayMapImpl<T : Any> : ArrayMap<T> {
   private fun ensureCapacity(index: Int) {
     when {
       lessOrEqual(arg0 = <this>.<get-data>().<get-size>(), arg1 = index) -> { // BLOCK
-        <this>.<set-data>(<set-?> = <this>.<get-data>().copyOf<Any?>(newSize = <this>.<get-data>().<get-size>().times(other = Companion.<get-INCREASE_K>())))
+        <this>.<set-data>(<set-?> = <this>.<get-data>().copyOf<Any?>(newSize = <this>.<get-data>().<get-size>().times(other = 2)))
       }
     }
   }

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

@@ -64,7 +64,7 @@ FILE fqName:<root> fileName:/coercionToUnitForNestedWhen.kt
               BRANCH
                 if: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EQEQ
                   arg0: GET_VAR 'var ch: kotlin.Char? [var] declared in <root>.consumeRestOfQuotedSequence' type=kotlin.Char? origin=null
-                  arg1: CALL 'private final fun <get-BACKSLASH> (): kotlin.Char declared in <root>' type=kotlin.Char origin=GET_PROPERTY
+                  arg1: CONST Char type=kotlin.Char value='\\'
                 then: BLOCK type=@[FlexibleNullability] java.lang.StringBuilder? origin=SAFE_CALL
                   VAR IR_TEMPORARY_VARIABLE name:tmp_1 type:kotlin.Char? [val]
                     CALL 'private final fun nextChar (): kotlin.Char? declared in <root>' type=kotlin.Char? origin=null

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

@@ -22,7 +22,7 @@ fun Reader.consumeRestOfQuotedSequence(sb: StringBuilder, quote: Char) {
     else -> false
   }) { // BLOCK
     when {
-      EQEQ(arg0 = ch, arg1 = <get-BACKSLASH>()) -> { // BLOCK
+      EQEQ(arg0 = ch, arg1 = '\\') -> { // BLOCK
         val tmp1_safe_receiver: Char? = <this>.nextChar()
         when {
           EQEQ(arg0 = tmp1_safe_receiver, arg1 = null) -> null