Merge #7345 #7346
7345: Change WebAppHideToolbarFeature to use callback r=grigoryk a=NotWoods One more tweak for the PWA toolbar system. This makes the Fenix integration easier. 7346: Closes #7341: Use component in App Links app intent r=Amejia481 a=rocketsroger Co-authored-by:Tiger Oakes <toakes@mozilla.com> Co-authored-by:
Roger Yang <royang@mozilla.com>