DEN-8693: Support for the disinfect - Adding support for reading the brightness value from the Linux file system instead of having another file just to keep the same value. - Fixed a bug in the Active Alarm List request. - Adding the functionality of the Alarm Volume. - Modified the Disinfection screens[Heat/chem] check marks with the new bundled states provided by FW for UI and the flush states are yet to come. - Adjusted the Active Alarm List screen a little to be able to show all the current Alarm messages without cropping.