Change Signature/Rename: Fix renaming of extension function parameter

idea/testData/refactoring/changeSignature/RenameExtensionParameterAfter.kt

@@ -0,0 +1,3 @@
+fun Int.foo(b: Int): Int {
+    return this + b
+}

idea/testData/refactoring/changeSignature/RenameExtensionParameterBefore.kt

@@ -0,0 +1,3 @@
+fun Int.<caret>foo(a: Int): Int {
+    return this + a
+}

idea/testData/refactoring/rename/automaticRenamerParameterInExtension/after/JavaSub.java

@@ -0,0 +1,4 @@
+class JavaSub extends testing.Middle {
+    void foo(int receiver, int aa, String b) {
+    }
+}

idea/testData/refactoring/rename/automaticRenamerParameterInExtension/after/main.kt

@@ -0,0 +1,21 @@
+package testing
+
+trait Trait {
+    open fun Int.foo(aa: Int, b: String) {
+    }
+}
+
+open class Super {
+    open fun Int.foo(aa: Int, b: String) {
+    }
+}
+
+open class Middle : Super(), Trait {
+    override fun Int.foo(/*rename*/aa: Int, b: String) {
+    }
+}
+
+class Sub : Middle() {
+    override fun Int.foo(aa: Int, b: String) {
+    }
+}

idea/testData/refactoring/rename/automaticRenamerParameterInExtension/before/JavaSub.java

@@ -0,0 +1,4 @@
+class JavaSub extends testing.Middle {
+    void foo(int receiver, int a, String b) {
+    }
+}

idea/testData/refactoring/rename/automaticRenamerParameterInExtension/before/main.kt

@@ -0,0 +1,21 @@
+package testing
+
+trait Trait {
+    open fun Int.foo(a: Int, b: String) {
+    }
+}
+
+open class Super {
+    open fun Int.foo(a: Int, b: String) {
+    }
+}
+
+open class Middle : Super(), Trait {
+    override fun Int.foo(/*rename*/a: Int, b: String) {
+    }
+}
+
+class Sub : Middle() {
+    override fun Int.foo(a: Int, b: String) {
+    }
+}

idea/testData/refactoring/rename/automaticRenamerParameterInExtension/parameter.test

@@ -0,0 +1,5 @@
+{
+  "type": "MARKED_ELEMENT",
+  "newName": "aa",
+  "mainFile": "main.kt"
+}