plugin XEP-0444: complete implementation: "Message Reactions" implementation is now working and updating history. The `message_reactions_set` bridge method can be used by frontend to `replace`, `add`, `remove` or `toggle` reactions. History is properly updated, and signal are sent when necessary.

#!/bin/sh

eval $(dbus-launch --sh-syntax)

nohup /usr/bin/Xtigervnc -geometry 1024x768 -desktop "Libervia e2e test" -rfbport 5900 -SecurityTypes None :0 &
nohup openbox &
exec libervia-backend fg