Merge "Do not detach children of starting windows" into qt-r1-dev

    }

    void detachChildren() {

        // Do not detach children of starting windows, as their lifecycle is well under control and

        // it may lead to issues in case we relaunch when we just added the starting window.

        if (mWin.mAttrs.type == TYPE_APPLICATION_STARTING) {

            return;

        }

        if (mSurfaceController != null) {

            mSurfaceController.detachChildren();

        }