Automatic renaming overloads in class or object.

#KT-4642 fixed

idea/testData/refactoring/rename/automaticRenamerOverloadsObject/before/Object.kt

@@ -0,0 +1,19 @@
+package testing
+
+object Object {
+    fun foo() {
+        "".foo()
+    }
+
+    fun foo(a: Int) {
+    }
+
+    fun String.foo() {
+    }
+
+}
+
+fun main(args: Array<String>) {
+    Object.foo()
+    Object.foo(1)
+}