* Set up UserStore to have the current user, so that
channel messages can be sent. This is needed now that
pending messages are represented more similarly to
regular messages.
* Drop buffer inside of an `AppContext.update` block, so that
the Buffer's release hook is called in time.
Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This increases the threshold at which we start loading new messages
as well as the amount of messages we get back from the server every
time we fetch.
Also, we restructured the seed binary to use the methods in `Db` to
generate seed data and added random chat messages.
Co-Authored-By: Nathan Sobo <nathan@zed.dev>