Run scuttlebot on mesh peers if git-ssb is enabled

src/freedombone-mesh-batman

             sed -i "s|\"host\": .*|\"host\": \"$(get_ipv4_wlan)\",|g" /etc/scuttlebot/.ssb/config
             systemctl restart scuttlebot
         else
-            systemctl stop scuttlebot
+            if [ ! -f /etc/nginx/sites-available/git_ssb ]; then
+                systemctl stop scuttlebot
+            else
+                systemctl restart scuttlebot
+            fi
         fi
     fi