Merge branch 'disjointed-popovers' into eslint-update

* disjointed-popovers: (56 commits)
  fix typo
  fix errors in console
  pinned no longer needed
  popover stack
  add stay-on-click prop to solve case of clicking user avatar in status popover
  fix settings tooltips
  vertical nudge for popovers, especially for overlay-centers ones
  make user popover options expert
  use same sizing for timeline dropdown as in the main nav
  fix avatar not zooming in profile page
  fix spacing in mentionsline
  add popovers to chats
  fix avatar not closing, add option to put popovers next to avatar instead of over it
  fix the incorrect rounding in nav list
  re-unfuck the timeline popover
  Revert "unify styling of timelines dropdown with other dropdown menus"
  close on avatar click again, add zooming as option
  fix basicusercard
  make hover popovers less annoying to close
  move tooltips setting
  ...