[java][switch resolve] IDEA-273929 Good code red - cannot resolve symbol in switch statement group

The resolver used to fail when a case label element is parenthesized. The patch fixes this problem by stripping parens from a case element if necessary

GitOrigin-RevId: de2113905ccabcc7c675c94c320cb2b26fccf487

java/java-tests/testData/codeInsight/gotoDeclaration/PatternMatchingWithParensAroundReference.java

@@ -0,0 +1,11 @@
+class Main {
+  final int i = 2;
+
+  void f(Object obj) {
+    switch (obj) {
+      case Integer i, ((i<caret>)):
+        System.out.println(i);
+      }
+    }
+  }
+}