fix(input): make sure isDisabled gets set to a boolean
fix(input): make sure isDisabled gets set to a boolean

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