One more case when mapTo can be generated

idea/src/org/jetbrains/kotlin/idea/intentions/loopToCallChain/result/AddToCollectionTransformation.kt

@@ -43,6 +43,10 @@ class AddToCollectionTransformation(
                 FilterToTransformation(loop, inputVariable, targetCollection, previousTransformation.effectiveCondition()) //TODO: use filterNotTo?
             }
 
+            is MapTransformation -> {
+                MapToTransformation(loop, previousTransformation.inputVariable, targetCollection, previousTransformation.mapping)
+            }
+
             is FlatMapTransformation -> {
                 FlatMapToTransformation(loop, previousTransformation.inputVariable, targetCollection, previousTransformation.transform)
             }

idea/testData/intentions/loopToCallChain/mapTo2.kt

@@ -0,0 +1,7 @@
+// WITH_RUNTIME
+fun foo(list: List<String>, target: MutableList<Int>) {
+    <caret>for (s in list) {
+        val l = s.length
+        target.add(l)
+    }
+}

idea/testData/intentions/loopToCallChain/mapTo2.kt.after

@@ -0,0 +1,4 @@
+// WITH_RUNTIME
+fun foo(list: List<String>, target: MutableList<Int>) {
+    <caret>list.mapTo(target) { it.length }
+}