Rename: Fix processing of overriding methods with mangled names

#KT-24460 Fixed

idea/testData/refactoring/rename/internalVarWithOverrides/after/J.java

@@ -0,0 +1,11 @@
+class J extends X.Y {
+    @Override
+    public int getNewOverridableVar$production_sources_for_module_light_idea_test_case() {
+        return super.getNewOverridableVar$production_sources_for_module_light_idea_test_case();
+    }
+
+    @Override
+    public void setNewOverridableVar$production_sources_for_module_light_idea_test_case(int value) {
+        super.setNewOverridableVar$production_sources_for_module_light_idea_test_case(value);
+    }
+}