Major update

- Tons of fixes
- Implement silent token refresh
- Implement meeting request autoprocessing
- Implement tinyMCE OOF editor
- Implement OSM view for user locations
- Upgrade to MUIv6
- Implement advanced log formatting
- Add new user priv bits (privEas, privWeb, privDav)

New features:

- DNS check
- LDAP groups

Fix homeserver selection

Remove unused recharts components

Rename add/remove permissions button

Add CSRF token to prevent csrf attacks