SortContentAction: preserve comments in corner case

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/sortContent/afterEnumComments.java

@@ -9,5 +9,6 @@ public enum OSType {
     WIN//after win
 // win
 
+
     ;
 }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/sortContent/afterEnumComments2.java

@@ -0,0 +1,9 @@
+// "Sort content" "true"
+
+public enum Enum {
+    A,
+
+    B,
+    C// foo
+    ;
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/sortContent/beforeEnumComments2.java

@@ -0,0 +1,8 @@
+// "Sort content" "true"
+
+public enum Enum {
+  C // foo
+  ,<caret>
+  A,
+  B;
+}