LPS-32414 make test synchronous
LPS-32409 Allow users to subscribe to Asset Publishers
LPS-32409 Format source
LPS-32409 Fix typo
LPS-32409 Use LiferayPortletConfig pattern instead of portletDisplay to get the portletId (like in EditLayoutsAction)
LPS-32409 Permission for subscribing to asset publishers should be defined at portlet level