refactor(helpers): update domControllerAsync to make callback optional and work off of a Promise
refactor(helpers): update domControllerAsync to make callback optional and work off of a Promise

TillaTheHun0/ionic,TillaTheHun0/ionic,TillaTheHun0/ionic,driftyco/ionic,driftyco/ionic,driftyco/ionic,driftyco/ionic,driftyco/ionic,TillaTheHun0/ionic