Change Signature: Do not report conflict when parameter name clashes with suggested name of the receiver

idea/testData/refactoring/changeSignature/NoConflictWithReceiverNameAfter.kt

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

idea/testData/refactoring/changeSignature/NoConflictWithReceiverNameBefore.kt

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