fix(range): knob B can only be actived if range is dual
fix(range): knob B can only be actived if range is dual

driftyco/ionic,alan-agius4/ionic,alan-agius4/ionic,TillaTheHun0/ionic,driftyco/ionic,driftyco/ionic,alan-agius4/ionic,driftyco/ionic,driftyco/ionic,TillaTheHun0/ionic,alan-agius4/ionic,alan-agius4/ionic,alan-agius4/ionic,TillaTheHun0/ionic,TillaTheHun0/ionic