introduce parameter: do not insert additional arg when selection was in the self call (IDEA-66896)

java/java-tests/testData/refactoring/introduceParameter/beforeSelfReferenceVarargs.java

@@ -0,0 +1,9 @@
+class Test {
+  void foo(boolean flag, int... i) {
+    if (flag) {
+      foo(false, <selection>""</selection>, i);
+    }
+    System.out.println();
+    foo(flag, i);
+  }
+}