* Add ZHA config option for "enhanced light transition from an off-state"
* Default option to disabled
* Always disable "enhanced light transition" for ZHA LightGroups
* Rename _enhanced_light_transition to _zha_config_enhanced_light_transition
* Remove LightGroup check, as config option always disables for groups
* Remove duplicated line
* Remove duplicated line
* Move ZHA config transition line below other config line
* Renamed comments of renamed variable in tests
color_provided_while_off -> new_color_provided_while_off
* Enable "enhanced light transitions" for testing