StreamToLoopInspection: preserve comments; CommentTracker: now possible to delete element first and only after that register unchanged parts.

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamToLoop/afterReusedVar.java

@@ -5,9 +5,10 @@ import java.util.function.LongSupplier;
 
 public class Main {
   private static void test(List<String> list) {
+      // and filter!
       long count1 = 0;
       for (String s : list) {
-          if (!s.isEmpty()) {
+          if (!s/* comment */.isEmpty()) {
               count1++;
           }
       }