[IR] Add body printing strategy to Kotlin-like dumper

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

@@ -1,5 +1,6 @@
 interface Visitor {
   abstract fun visit()
+
   fun visitArray(): Visitor? {
     return null
   }

compiler/testData/ir/irText/firProblems/AnnotationLoader.kt.txt

@@ -1,5 +1,6 @@
 interface Visitor {
   abstract fun visit()
+
   fun visitArray(): Visitor? {
     return null
   }

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

@@ -9,7 +9,9 @@ sealed class ArrayMap<T : Any> : Iterable<T> {
     abstract get
 
   abstract operator fun set(index: Int, value: T)
+
   abstract operator fun get(index: Int): T?
+
   abstract fun copy(): ArrayMap<T>
 
 }

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

@@ -9,7 +9,9 @@ sealed class ArrayMap<T : Any> : Iterable<T> {
     abstract get
 
   abstract operator fun set(index: Int, value: T)
+
   abstract operator fun get(index: Int): T?
+
   abstract fun copy(): ArrayMap<T>
 
 }

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

@@ -4,7 +4,9 @@ interface IrType {
 
 interface TypeRemapper {
   abstract fun enterScope(irTypeParametersContainer: IrTypeParametersContainer)
+
   abstract fun remapType(type: IrType): IrType
+
   abstract fun leaveScope()
 
 }

compiler/testData/ir/irText/firProblems/DeepCopyIrTree.kt.txt

@@ -4,7 +4,9 @@ interface IrType {
 
 interface TypeRemapper {
   abstract fun enterScope(irTypeParametersContainer: IrTypeParametersContainer)
+
   abstract fun remapType(type: IrType): IrType
+
   abstract fun leaveScope()
 
 }