unimplement interface: find ref correctly (IDEA-84554)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/unimplement/afterLastPosition.java

@@ -0,0 +1,11 @@
+// "Unimplement Interface" "true"
+class A {
+  public String toString() {
+    return super.toString();
+  }
+
+    public void foo(String ty){}
+}
+
+interface II {
+}