ignore type substitution on override (IDEABKL-6365)

java/java-tests/testData/codeInsight/overrideImplement/afterTypeParam.java

@@ -0,0 +1,9 @@
+interface Function<S> {
+  void fun(Function<S> function);
+}
+
+class Bar extends Function<String>{
+    public void fun(Function<String> function) {
+        <selection>//To change body of implemented methods use File | Settings | File Templates.</selection>
+    }
+}

java/java-tests/testData/codeInsight/overrideImplement/beforeTypeParam.java

@@ -0,0 +1,7 @@
+interface Function<S> {
+  void fun(Function<S> function);
+}
+
+class Bar extends Function<String>{
+  <caret>
+}