LPS-41879 - On an iPad (horizontal view), tapping outside of dockbar notifications will not close the notifications

Hey @natecavanaugh,

Attached is an update for http://issues.liferay.com/browse/LPS-41879.

NOTE: This change requires https://github.com/natecavanaugh/liferay-portal/pull/2292.

Please let me know if you have any questions.  Thanks!