[MMO] Live Threads 2.3.7

Add user typing

Fixed a bug with other thread types.
Fixed a bug where the message's appearance would change in a way that was not consistent with the thread type.
Thanks a lot for testing and providing bugs

Min require 2.3.0
Using new pattern XF
Refactoring
Fixed If the add-on is installed and the centrifuge is not available, it does not allow you to create a thread or reply to it.

Support XF 2.3.0
Min require XF 2.3.0 Beta 3

Use of tokens