UnrollLoopAction: fixes according to review IDEA-CR-24513

1. Check that loop parameter is not written
2. Support List.of, Collections.singleton, Collections.singletonList
3. Support if w/o braces
4. Support break not in last position

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/unrollLoop/beforeUnrollBreak.java

@@ -1,4 +1,4 @@
-// "Unroll loop" "false"
+// "Unroll loop" "true"
 class Test {
   void test() {
     fo<caret>r(Object x : new Object[] {"one", 1, 1.0, 1.0f}) {