RestrictReturnStatementTargetMigrationInspection: add quickfix

#KT-36262 Fixed

idea/testData/inspectionsLocal/restrictReturnStatementTargetMigration/.inspection

@@ -0,0 +1 @@
+org.jetbrains.kotlin.idea.inspections.migration.RestrictReturnStatementTargetMigrationInspection

idea/testData/inspectionsLocal/restrictReturnStatementTargetMigration/simple.kt

@@ -0,0 +1,8 @@
+// LANGUAGE_VERSION: 1.4
+// PROBLEM: none
+// ERROR: Target label does not denote a function
+
+fun testValLabelInReturn() {
+    <caret>L@ val fn = { return@L }
+    fn()
+}

idea/testData/inspectionsLocal/restrictReturnStatementTargetMigration/simple2.kt

@@ -0,0 +1,7 @@
+// LANGUAGE_VERSION: 1.4
+// SKIP_ERRORS_AFTER
+
+fun testValLabelInReturn() {
+    L@ val fn = { return@L<caret> }
+    fn()
+}

idea/testData/inspectionsLocal/restrictReturnStatementTargetMigration/simple2.kt.after

@@ -0,0 +1,7 @@
+// LANGUAGE_VERSION: 1.4
+// SKIP_ERRORS_AFTER
+
+fun testValLabelInReturn() {
+    L@ val fn = { return }
+    fn()
+}