fix(inputs): ionChange is fired after updating ngModel

test(menu): update directory structure for menu/multiple

fix(scroll-view): do not set initialized until it is enabled (ionic-t…

…eam#10817)

regression caused by 7e9bad5

test(toolbar): fix model header

chore(deps): revert angular version

chore(contributing): tweak info and bullet points

chore(changelog): mention textarea change

fix(platform): orientation detected correctly

docs(demos): update colors for API demos

test(nav): update nav tests to not navigate automatically