component AP gateway: add mention to direct messages: when a direct (not public) message is sent to AP peer, a mention should be present otherwise the peer won't receive a notification in most AP implementation (notably Mastodon).

#!/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