Set default search if searx is available

src/freedombone-app-searx

     systemctl daemon-reload
     systemctl start searx.service
 
-    DEFAULT_SEARCH="http://$SEARX_ONION_HOSTNAME"
     update_default_search_engine
 
     SEARX_PASSWORD="$(create_password ${MINIMUM_PASSWORD_LENGTH})"

src/freedombone-utils-web

 }
 
 function update_default_search_engine {
+    if [ -f /var/lib/tor/hidden_service_searx/hostname ]; then
+        DEFAULT_SEARCH="http://$(cat /var/lib/tor/hidden_service_searx/hostname)"
+    fi
+
     for d in /home/*/ ; do
         USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
         if [[ $(is_valid_user "$USERNAME") == "1" ]]; then