Support registerIdlingResource in DesktopComposeTestRule

[igordmn]

It is not implemented now (1.0.0-alpha3):

    override fun registerIdlingResource(idlingResource: IdlingResource) {
        // TODO: implement
    }

    override fun unregisterIdlingResource(idlingResource: IdlingResource) {
        // TODO: implement
    }

[okushnikov]

Please check the following ticket on YouTrack for follow-ups to this issue. GitHub issues will be closed in the coming weeks.