Move KtFunctionLiteral.findLabelAndCall from kotlin-ide.frontend-independent to compiler.psi

I want to be able to use this function in `:kotlin-scripting-ide-common` & `frontend-independent`

This commit also allows to remove copy-pasted `findLabelAndCall` in `scripting-ide-services` module

compiler/psi/src/org/jetbrains/kotlin/psi/psiUtil/ktPsiUtil.kt

@@ -546,6 +546,32 @@ fun KtFunctionLiteral.getOrCreateParameterList(): KtParameterList {
     return newParameterList
 }
 
+fun KtFunctionLiteral.findLabelAndCall(): Pair<Name?, KtCallExpression?> {
+    val literalParent = (this.parent as KtLambdaExpression).parent
+
+    fun KtValueArgument.callExpression(): KtCallExpression? {
+        val parent = parent
+        return (if (parent is KtValueArgumentList) parent else this).parent as? KtCallExpression
+    }
+
+    when (literalParent) {
+        is KtLabeledExpression -> {
+            val callExpression = (literalParent.parent as? KtValueArgument)?.callExpression()
+            return Pair(literalParent.getLabelNameAsName(), callExpression)
+        }
+
+        is KtValueArgument -> {
+            val callExpression = literalParent.callExpression()
+            val label = (callExpression?.calleeExpression as? KtSimpleNameExpression)?.getReferencedNameAsName()
+            return Pair(label, callExpression)
+        }
+
+        else -> {
+            return Pair(null, null)
+        }
+    }
+}
+
 fun KtCallExpression.getOrCreateValueArgumentList(): KtValueArgumentList {
     valueArgumentList?.let { return it }
     return addAfter(

plugins/scripting/scripting-ide-common/src/org/jetbrains/kotlin/idea/util/implicitReceiversUtils.kt

@@ -11,6 +11,7 @@ import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.psi.KtExpression
 import org.jetbrains.kotlin.psi.KtFunctionLiteral
 import org.jetbrains.kotlin.psi.KtPsiFactory
+import org.jetbrains.kotlin.psi.psiUtil.findLabelAndCall
 import org.jetbrains.kotlin.renderer.render
 import org.jetbrains.kotlin.resolve.DescriptorToSourceUtils
 import org.jetbrains.kotlin.resolve.DescriptorUtils

plugins/scripting/scripting-ide-services/src/org/jetbrains/kotlin/idea/util/findLabelAndCall.kt

@@ -1,40 +0,0 @@
-/*
- * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
-package org.jetbrains.kotlin.idea.util
-
-import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.psi.*
-
-/**
- * This extension method was copied from `idea:idea-frontend-independent` module because it's the only method that
- * included in `idea:idea-frontend-independent` and needed for performing REPL completion
- */
-@Suppress("unused")
-fun KtFunctionLiteral.findLabelAndCall(): Pair<Name?, KtCallExpression?> {
-    val literalParent = (this.parent as KtLambdaExpression).parent
-
-    fun KtValueArgument.callExpression(): KtCallExpression? {
-        val parent = parent
-        return (if (parent is KtValueArgumentList) parent else this).parent as? KtCallExpression
-    }
-
-    when (literalParent) {
-        is KtLabeledExpression -> {
-            val callExpression = (literalParent.parent as? KtValueArgument)?.callExpression()
-            return Pair(literalParent.getLabelNameAsName(), callExpression)
-        }
-
-        is KtValueArgument -> {
-            val callExpression = literalParent.callExpression()
-            val label = (callExpression?.calleeExpression as? KtSimpleNameExpression)?.getReferencedNameAsName()
-            return Pair(label, callExpression)
-        }
-
-        else -> {
-            return Pair(null, null)
-        }
-    }
-}