Don't show "Convert lambda to reference" for lambdas passed to suspend functions

#KT-16072 Fixed

idea/src/org/jetbrains/kotlin/idea/intentions/ConvertLambdaToReferenceIntention.kt

@@ -87,6 +87,8 @@ class ConvertLambdaToReferenceIntention : SelfTargetingOffsetIndependentIntentio
             if (calleeDescriptor.typeParameters.isNotEmpty()) return false
             // No references to Java synthetic properties
             if (calleeDescriptor is SyntheticJavaPropertyDescriptor) return false
+            // No suspend functions
+            if ((calleeDescriptor as? FunctionDescriptor)?.isSuspend ?: false) return false
             val descriptorHasReceiver = with(calleeDescriptor) {
                 // No references to both member / extension
                 if (dispatchReceiverParameter != null && extensionReceiverParameter != null) return false

idea/testData/intentions/convertLambdaToReference/suspendFun.kt

@@ -0,0 +1,10 @@
+// IS_APPLICABLE: false
+// WITH_RUNTIME
+
+suspend fun String.bar() {
+
+}
+
+suspend fun x() {
+    listOf("Jack", "Tom").forEach <caret>{ it.bar() }
+}

idea/tests/org/jetbrains/kotlin/idea/intentions/IntentionTestGenerated.java

@@ -4463,6 +4463,12 @@ public class IntentionTestGenerated extends AbstractIntentionTest {
             doTest(fileName);
         }
 
+        @TestMetadata("suspendFun.kt")
+        public void testSuspendFun() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("idea/testData/intentions/convertLambdaToReference/suspendFun.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("syntheticProperty.kt")
         public void testSyntheticProperty() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("idea/testData/intentions/convertLambdaToReference/syntheticProperty.kt");