StreamToLoop: support Optional unwrap if possible

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

@@ -2,20 +2,17 @@
 
 import java.util.Arrays;
 import java.util.List;
-import java.util.Optional;
 
 public class Main {
   private static String test(List<String> list) {
     if (list == null) return null;
     else {
-        Optional<String> found = Optional.empty();
         for (String str : list) {
             if (str.contains("x")) {
-                found = Optional.of(str);
-                break;
+                return str;
             }
         }
-        return found.orElse(null);
+        return null;
     }
   }