on_close wasn’t used correctly everywhere.
Also make the "close" commands for each tab specific to themselves,
rather than taking the current tab for closure.

going through a list with more than 1000 elements, one at a time, can be
a bit tedious. Especially if you go through it every time you receive
one of those elements.

If by change a user manages to connect to gmail, they won’t be able to
join another server that has MUCs, so that code is useless.

fixes the circular import issue

All this crap is very brittle due to circular deps and python handling
them badly. This appears to be fixing some stuff, at the very least.

This is sed, so cleanup of imports (which can now be grouped together)
is not done yet.

broken since bc6ee8da due to using timestamps

(even if we thought we were already disconnected)

(refresh will be triggered by the caller if needed)

Otherwise we could, for example, enable a self-ping event on non-joined
rooms where we just displayed an error message. And that’s bad.

users changing affiliations or roles weren’t moved around properly

Also only run one regex on search_for_color()

Because it doesn’t work, due to a lot of factors, and we can’t fix them.