FIX: Ensure MCL keeps selection in single-select mode(s).
FIX: Ensure MCL keeps selection in single-select mode(s).

OpenTechEngine/CEGUI,ruleless/CEGUI,ruleless/CEGUI,ruleless/CEGUI,ruleless/CEGUI,OpenTechEngine/CEGUI,OpenTechEngine/CEGUI,OpenTechEngine/CEGUI