On room creation, A list of initial state events may be provided that
should be submitted to the room after creation. These events
should be treated as any other state event and submitted to
the same checks.
With this change, state events submitted on room creation will be
submitted through the same helper as those through the usual endpoint.
The submission helper is moved to the timeline service to make it
available everywhere. This will be useful for implementing MSC4140
(issue #903).
roomuserid_lastnotificationread was mapped to userroomid_highlightcount
instead of its own table, so last_notification_read() read the highlight
count and reset_notification_counts clobbered the highlight table when
setting a read marker. Add the missing table definition and fix the alias.
The current `request_ip_source` setting only allows a single option.
While it does fall back to the peer IP if the header is missing as of !2003,
which likely covers a lot of regular use, only allowing a single option limits
the deployment options available to more advanced deployments.
Setups where internal and external traffic use different reverse proxies will
end up with the wrong IP and the implicitness of the fallback allows for
situations where the used IP is not the IP expected.
By introducing a setting that allows multiple options to be set,
this limitation is resolved and it becomes possible to have client IP resolution
behind different reverse proxies and also making it possible to decide if and/or
what the fallback should be.
If set, options are evaluated in order. If all fail, the request fails.