Fix 'inverting slider' when switching between Layer view and a different view. CURA-3321
Fix 'inverting slider' when switching between Layer view and a different view. CURA-3321

fieldOfView/Cura,ynotstartups/Wanhao,fieldOfView/Cura,Curahelper/Cura,hmflash/Cura,Curahelper/Cura,ynotstartups/Wanhao,hmflash/Cura