Use intention to simplify for in j2k

#KT-7157 Fixed

idea/src/org/jetbrains/kotlin/idea/j2k/J2kPostProcessings.kt

@@ -65,6 +65,7 @@ object J2KPostProcessingRegistrar {
         registerIntentionBasedProcessing(ObjectLiteralToLambdaIntention()) { applyTo(it) }
         registerIntentionBasedProcessing(AnonymousFunctionToLambdaIntention()) { applyTo(it) }
         registerIntentionBasedProcessing(RemoveUnnecessaryParenthesesIntention()) { applyTo(it) }
+        registerIntentionBasedProcessing(SimplifyForIntention()) { applyTo(it) }
 
         registerDiagnosticBasedProcessing<KtBinaryExpressionWithTypeRHS>(Errors.USELESS_CAST) { element, diagnostic ->
             val expression = RemoveUselessCastFix.invoke(element)

j2k/testData/fileOrElement/for/overMapEntries.java

@@ -0,0 +1,16 @@
+import java.util.HashMap;
+import java.util.Map;
+
+class Test {
+    public static void main(String[] args) {
+        Map<String, String> resultMap = new HashMap<String, String>();
+        for (final Map.Entry<String, String> entry : resultMap.entrySet()) {
+            String key = entry.getKey();
+            String type = entry.getValue();
+
+            if (key.equals("myKey")) {
+                System.out.println(type);
+            }
+        }
+    }
+}

j2k/testData/fileOrElement/for/overMapEntries.kt

@@ -0,0 +1,13 @@
+import java.util.HashMap
+
+internal object Test {
+    @JvmStatic fun main(args: Array<String>) {
+        val resultMap = HashMap<String, String>()
+        for ((key, type) in resultMap) {
+
+            if (key == "myKey") {
+                println(type)
+            }
+        }
+    }
+}

j2k/tests/org/jetbrains/kotlin/j2k/JavaToKotlinConverterForWebDemoTestGenerated.java

@@ -2080,6 +2080,12 @@ public class JavaToKotlinConverterForWebDemoTestGenerated extends AbstractJavaTo
             doTest(fileName);
         }
 
+        @TestMetadata("overMapEntries.java")
+        public void testOverMapEntries() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("j2k/testData/fileOrElement/for/overMapEntries.java");
+            doTest(fileName);
+        }
+
         @TestMetadata("withContinue1.java")
         public void testWithContinue1() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("j2k/testData/fileOrElement/for/withContinue1.java");

j2k/tests/org/jetbrains/kotlin/j2k/JavaToKotlinConverterSingleFileTestGenerated.java

@@ -2080,6 +2080,12 @@ public class JavaToKotlinConverterSingleFileTestGenerated extends AbstractJavaTo
             doTest(fileName);
         }
 
+        @TestMetadata("overMapEntries.java")
+        public void testOverMapEntries() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("j2k/testData/fileOrElement/for/overMapEntries.java");
+            doTest(fileName);
+        }
+
         @TestMetadata("withContinue1.java")
         public void testWithContinue1() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("j2k/testData/fileOrElement/for/withContinue1.java");