RefactoringUtil#ensureCodeBlock enhanced and used in Surround with try-catch

Fixes IDEA-178781 "Surround with try-catch" QuickFix for "Unhandled exception" in a field initializer
Enables stream-to-loop in field initializer
Fixes stream-to-loop in for initializer
Disables stream-to-loop in for update

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

@@ -0,0 +1,50 @@
+// "Fix all 'Stream API call chain can be replaced with loop' problems in file" "true"
+
+import java.util.*;
+import java.util.stream.*;
+
+public class Main {
+    String j = "foo";
+
+    public void test(List<String> list) {
+        long i = 0L;
+        for (String s : list) {
+            if (s.isEmpty()) {
+                i++;
+            }
+        }
+        for(;
+            i<10;
+            i+=list.stream().filter(String::isEmpty).count()) {
+            System.out.println(i);
+        }
+
+        {
+            long j = 0L;
+            for (String s : list) {
+                if (s.isEmpty()) {
+                    j++;
+                }
+            }
+            for(;
+                j<10;
+                j+=list.stream().filter(String::isEmpty).count()) {
+                System.out.println(j);
+            }
+        }
+
+        System.out.println(j);
+
+        StringJoiner joiner = new StringJoiner(",");
+        for (String s1 : list) {
+            joiner.add(s1);
+        }
+        for(String s = joiner.toString(); !s.isEmpty(); s = s.substring(1)) {
+            System.out.println(s);
+        }
+    }
+
+    public static void main(String[] args) {
+        new Main().test(Arrays.asList("", "", "foo"));
+    }
+}