ConvertSwitchToIfIntention: better comments handling

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/deleteSwitchLabel/afterUnwrap.java

@@ -2,6 +2,10 @@
 class Main {
     static void fff(int x) {
         if (x == 5) {
+            //1
+            //2
+            //3
+            //4
             System.out.println("five-ten-fifteen"); //5
             System.out.println("six"); //6
             System.out.println("seven"); //7