Fix improper handling of coroutine interceptors

Don't use coroutine facade in following cases:
* When calling coroutine functions in non-suspend mode (i.e.
  suspend flag is either false or skipped).
* When passing continuation from suspend function to suspend function.

Use facade only for corresponding intrinsics.
Reason: interceptor should not be called on each suspend function
invocation, it should be called after resume from innermost
suspend function.

Fix KT-17067. The example provided with the issue is very similar to
dispatchResume.kt which passes after these changes.

Add test to prove that KT-17446 is no more reproducible.

js/js.libraries/src/core/coroutinesIntrinsics.kt

@@ -37,9 +37,9 @@ public inline fun <R, T> (suspend R.() -> T).startCoroutineUninterceptedOrReturn
 public fun <R, T> (suspend R.() -> T).createCoroutineUnchecked(
         receiver: R,
         completion: Continuation<T>
-): Continuation<Unit> = this.asDynamic()(receiver, completion, true)
+): Continuation<Unit> = this.asDynamic()(receiver, completion, true).facade
 
 @SinceKotlin("1.1")
 public fun <T> (suspend () -> T).createCoroutineUnchecked(
         completion: Continuation<T>
-): Continuation<Unit> = this.asDynamic()(completion, true)
+): Continuation<Unit> = this.asDynamic()(completion, true).facade