Marco Trevisan (Treviño) e027af9548 extensionSystem: Unload stylesheet if extension is not loaded
We should not keep any reference to an extension custom stylesheet in case we
got an error while enabling that


(cherry picked from commit 3aea290adcbf7d12e6d8ec8230afbd8c3cb74606)
2018-09-03 23:34:54 +00:00
..