fix(action-sheet): remove ios inertia scroll to fix flicker

fixes ionic-team#13262

chore(changelog): 3.9.0 changelog

refactor(input): revert input/highlight height change that broke snpa…

…shot

fix(popover): improve positioning in ios11

Merge branch 'jacek-jaskolski-datetime_default_value'

revert(item): revert the change from margin to padding right

this should have been changed for margin, not padding

fix(navigation): fix popTo signature and make usage uniform

fix(navigation): fix null pointer exceptions that would occur when de…

…stroying a nav controller while its transitioning

fix(app): restore getActiveNav api

restore getActiveNav api

chore(generator): remove ionicPage for now (ionic-team#12347)