extract class: do not qualify enums in switches (IDEA-76587 )

java/java-tests/testData/refactoring/extractClass/enumSwitch/before/Test.java

@@ -0,0 +1,16 @@
+public class Test {
+
+  static void foo(Test t) {
+    switch (p) {
+      case FRED:
+        break;
+
+      case GEORGE:
+        break;
+    }
+  }
+}
+
+enum Person {
+  FRED, GEORGE;
+}