Don't restart tor if not needed

src/freedombone

@@ -1294,6 +1294,12 @@ function add_onion_service {
     onion_service_name="$1"
     onion_service_port_from=$2
     onion_service_port_to=$3
+
+    if [ -f /var/lib/tor/hidden_service_${onion_service_name}/hostname ]; then
+        echo $(cat /var/lib/tor/hidden_service_${onion_service_name}/hostname)
+        return
+    fi
+
     if [ ! -d /var/lib/tor ]; then
         echo $"No Tor installation found. ${onion_service_name} onion site cannot be configured."
         exit 877367