Fix running rosbridge_suite adding ROS_OV_OVERRIDE env variable

It gives error 'Could not detect OS' (from roslib) on Bookworm without that

builder/assets/clover.service

@@ -5,7 +5,7 @@ Requires=roscore.service
 [Service]
 User=pi
 ExecStart=/bin/bash -c ". /home/pi/catkin_ws/devel/setup.sh; \
-                      ROS_HOSTNAME=`hostname`.local exec stdbuf -o L roslaunch clover clover.launch --wait --screen --skip-log-check \
+                      ROS_HOSTNAME=`hostname`.local ROS_OS_OVERRIDE=debian:bookworm exec stdbuf -o L roslaunch clover clover.launch --wait --screen --skip-log-check \
                       2> >(tee /tmp/clover.err)"
 
 ExecStartPre=+rm /var/log/clover.log

builder/image-ros.sh

@@ -155,6 +155,7 @@ cat << EOF >> /home/pi/.bashrc
 LANG='C.UTF-8'
 LC_ALL='C.UTF-8'
 export ROS_HOSTNAME=\`hostname\`.local
+export ROS_OS_OVERRIDE=debian:bookworm
 source /opt/ros/${ROS_DISTRO}/setup.bash
 source /home/pi/catkin_ws/devel/setup.bash
 EOF