XMPP resource is set as "Instandbird"
When setting up new XMPP accounts, the "resource" that gets designated for the account(s) is "Instantbird".
This should likely be changed to Tor Messenger, or something totally different (if we didn't want to advertise it was Tor Messenger).
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information