IDEA-154891 IDEA adds unnecessary space/colon on switch case autocompletion

java/java-tests/testData/codeInsight/completion/normal/SwitchValueFinishWithColon.java

@@ -0,0 +1,11 @@
+class Foo {
+  void foo(Constants c) {
+    switch (c) {
+        case B<caret>
+    }
+  }
+}
+
+enum Constants {
+  BAR0, BAR1;
+}