Merge remote-tracking branch 'origin/develop' into settings-modal

* origin/develop: (22 commits)
  changelog
  alignment fixes
  Update CHANGELOG.md
  StillImage: Make it work properly in both firefox and chrome.
  ReactButton: Change the combined emoji (heart) to a simple one.
  Linting fixes.
  Settings: Keep a local version of the mutedWordsString
  MediaModal: Close on browser navigation events.
  StatusContent: Try to get hashtag from dataset first.
  Docs: Change wrong documentation.
  EntityNormalizerSpec: More fixes.
  EntityNormalizerSpec: Test new behavior.
  EntityNormalizer: Add colons to emoji alt text.
  fixed case in class name
  The sidebarRight option wasn't being read
  Use consistent naming for Pleroma-FE in README
  Remove mention of GNU Social
  lint
  multiple fixes
  fix non-mention notifs
  ...