Get Disc Title for BD, it fix exception when stopping playback.
Merge remote-tracking branch 'remotes/upstream/BUG-4227-Fix_exceptions_when_stopping_the_playback_of_a_Blu-ray_disc' into 1.3.0Alpha_SEB_ADDONV3_HomeY

Conflicts:
	mediaportal/WindowPlugins/GUIVideoFiles/GUIVideoOverlay.cs
	mediaportal/WindowPlugins/GUIVideoFiles/SelectBDHandler.cs