If the room the bridge is using to "ping" the homeserver has been deleted, we will fail to start because the pings will always immediately fail. Instead, try to join the room and if we fail, create another. Joins will noop if we're already in the room.
If the room the bridge is using to "ping" the homeserver has been deleted, we will fail to start because the pings will always immediately fail. Instead, try to join the room and if we fail, create another. Joins will noop if we're already in the room.