Fix desktop and udev launch scripts

These services were not responding to a SIGTERM
We need to catch the SIGTERM from the parent script and kill the child process

overlay/etc/supervisor.d/desktop.ini

@@ -6,7 +6,7 @@ autorestart=true
 user=%(ENV_USER)s
 directory=/home/%(ENV_USER)s
 command=/usr/bin/start-desktop.sh
-environment=HOME="/home/%(ENV_USER)s",USER="%(ENV_USER)s",DISPLAY="%(ENV_DISPLAY)s"
+environment=HOME="/home/%(ENV_USER)s",USER="%(ENV_USER)s",DISPLAY="%(ENV_DISPLAY)s",XDG_RUNTIME_DIR="%(ENV_XDG_RUNTIME_DIR)s"
 stopsignal=INT
 stdout_logfile=/home/%(ENV_USER)s/.cache/log/desktop.log
 stdout_logfile_maxbytes=10MB