IDEA-69648 Complete Current Statement: Correct 'for' completion

Provided completion for standalone 'for' keyword

java/java-tests/testData/codeInsight/completeStatement/ForStatementGeneration_after.java

@@ -0,0 +1,6 @@
+public class Foo {
+    void test(int i) {
+        for (<caret>) {
+        }
+    }
+}