* Merge back `Follow` notification component
* Merge back part of `FollowRequestContainer` notification container
* Reduce differences with upstream in the `mention` case
* Reduce differences with upstream in the `favourite` case
* Reduce differences with upstream in the `reblog` case
* Reduce differences with upstream in the `status` case
* Reduce differences with upstream in the `update` case
* Reduce differences with upstream in the `poll` case
* Merge back `AdminSignup` notification component
* Merge back `AdminReport` notification container
Port 1b70d7ed7c0fd3a9fcf028bf76b8c62ac8b3897f to glitch-soc
Co-authored-by: Claire <claire.github-309c@sitedethib.com>
Signed-off-by: Claire <claire.github-309c@sitedethib.com>