[FIR2IR] Re-use receiver application logic in callable ref conversion

compiler/testData/codegen/box/classes/classObjectsWithParentClasses.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 open class Test {
     companion object {
         fun testStatic(ic: InnerClass): NotInnerClass = NotInnerClass(ic.value)

compiler/testData/codegen/box/classes/inner/extensionWithOuter.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 class Outer(val value: String) {
 
     inner class Inner {

compiler/testData/codegen/box/classes/inner/properOuter.kt

@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
-
 open class A(val s: String) {
     open inner class B(val s: String) {
         fun testB() = s + this@A.s

compiler/testData/codegen/box/classes/inner/properSuperLinking.kt

@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
-
 open class A(val s: String) {
 
     val z = s

compiler/testData/codegen/box/classes/outerThis.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 class Outer() {
   inner class Inner() {
     val outer: Outer get() = this@Outer