Till 2a77a910eb
Handle remote room upgrades (#2866)
Makes the following tests pass
```
/upgrade moves remote aliases to the new room
Local and remote users' homeservers remove a room from their public directory on upgrade
```
2022-11-14 12:07:13 +00:00
..
2022-11-11 16:44:59 +01:00
2022-11-14 12:07:13 +00:00
2022-07-01 10:54:07 +01:00