New Intention Action: Replace a call to forEach function with for loop.

Replaces an expression of form x.forEach { … } with for (a in x) { … }.

idea/testData/intentions/convertToForEachLoop/extraArguments.kt

@@ -0,0 +1,11 @@
+// IS_APPLICABLE: false
+// WITH_RUNTIME
+class Foo {
+    fun forEach(predicate: (Int) -> Int, bar: Int): Int = predicate(bar)
+}
+
+fun main() {
+    val x = Foo()
+
+    <caret>x.forEach({ it * 2 }, 2)
+}