Use plugin API to launch apps from install notification.
Each backend provides a method of launching an app, so use that. The current code assumed the app ID is the same as the desktop ID which is not true in all cases.
Fixes #726 (closed)
Each backend provides a method of launching an app, so use that. The current code assumed the app ID is the same as the desktop ID which is not true in all cases.
Fixes #726 (closed)