Change signature: fix formatting for long qualifier names

#KT-12878 Fixed

idea/src/org/jetbrains/kotlin/idea/refactoring/changeSignature/KotlinChangeSignatureProcessor.kt

@@ -30,6 +30,7 @@ import com.intellij.usageView.UsageInfo
 import com.intellij.usageView.UsageViewDescriptor
 import com.intellij.util.containers.MultiMap
 import org.jetbrains.kotlin.idea.KotlinBundle
+import org.jetbrains.kotlin.idea.codeInsight.shorten.performDelayedRefactoringRequests
 import org.jetbrains.kotlin.idea.refactoring.broadcastRefactoringExit
 import org.jetbrains.kotlin.idea.refactoring.changeSignature.usages.KotlinFunctionCallUsage
 import org.jetbrains.kotlin.idea.refactoring.changeSignature.usages.KotlinImplicitReceiverUsage
@@ -135,6 +136,7 @@ class KotlinChangeSignatureProcessor(
     override fun performRefactoring(usages: Array<out UsageInfo>) {
         try {
             super.performRefactoring(usages)
+            performDelayedRefactoringRequests(myProject)
         } finally {
             changeInfo.invalidate()
         }

idea/testData/quickfix/changeSignature/removeUnusedParameterWithLongQualifier.kt

@@ -0,0 +1,7 @@
+// "Remove parameter 'a'" "true"
+// DISABLE-ERRORS
+
+package com.xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy.zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
+
+class SomeVeryImportantClass
+fun message(<caret>a: SomeVeryImportantClass, b: SomeVeryImportantClass, c: SomeVeryImportantClass) = Unit

idea/testData/quickfix/changeSignature/removeUnusedParameterWithLongQualifier.kt.after

@@ -0,0 +1,7 @@
+// "Remove parameter 'a'" "true"
+// DISABLE-ERRORS
+
+package com.xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy.zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
+
+class SomeVeryImportantClass
+fun message(<caret>b: SomeVeryImportantClass, c: SomeVeryImportantClass) = Unit

idea/tests/org/jetbrains/kotlin/idea/quickfix/QuickFixTestGenerated.java

@@ -2432,6 +2432,11 @@ public class QuickFixTestGenerated extends AbstractQuickFixTest {
             runTest("idea/testData/quickfix/changeSignature/removeUnusedParameterOfPropertySetter.kt");
         }
 
+        @TestMetadata("removeUnusedParameterWithLongQualifier.kt")
+        public void testRemoveUnusedParameterWithLongQualifier() throws Exception {
+            runTest("idea/testData/quickfix/changeSignature/removeUnusedParameterWithLongQualifier.kt");
+        }
+
         @TestMetadata("removeUnusedParameterWithTypeParameter.kt")
         public void testRemoveUnusedParameterWithTypeParameter() throws Exception {
             runTest("idea/testData/quickfix/changeSignature/removeUnusedParameterWithTypeParameter.kt");