Merge commit 'c8181eb0a41c4f5c1655d4e400cab071aee4182a' into glitch-soc/merge-upstream

Conflicts:
- `app/javascript/packs/admin.jsx`:
  Upstream reworked imports, but we had many changes.
  Reworked imports as upstream did.
- `app/javascript/packs/public.jsx`:
  Upstream reworked imports, but we had many changes.
  Reworked imports as upstream did.

app/javascript/core/mailer.js

@@ -1,3 +1,3 @@
-require('../styles/mailer.scss');
+import '../styles/mailer.scss';
 
 require.context('../icons');