Show email onion domain on xmpp app screen

src/freedombone-utils-webadmin

@@ -625,6 +625,10 @@ function web_admin_create_installed_apps {
 
                     read_config_param "${app_name_upper}_DOMAIN_NAME"
                     read_config_param ONION_ONLY
+                    onion_app_name=${app_name}
+                    if [[ "$onion_app_name" == 'xmpp' ]]; then
+                        onion_app_name='email'
+                    fi
                     if [[ "$ONION_ONLY" == 'no' ]]; then
                         if grep -q "INSTALLED_ON_DEFAULT_DOMAIN=1" "$app_filename"; then
                             read_config_param DEFAULT_DOMAIN_NAME
@@ -634,11 +638,11 @@ function web_admin_create_installed_apps {
                             domain_name=${!test_domain_name}
                         fi
                     else
-                        domain_name=$(cat "/var/lib/tor/hidden_service_${app_name}/hostname")
+                        domain_name=$(cat "/var/lib/tor/hidden_service_${onion_app_name}/hostname")
                     fi
                     onion_domain_name=
-                    if [ -f "/var/lib/tor/hidden_service_${app_name}/hostname" ]; then
-                        onion_domain_name=$(cat "/var/lib/tor/hidden_service_${app_name}/hostname")
+                    if [ -f "/var/lib/tor/hidden_service_${onion_app_name}/hostname" ]; then
+                        onion_domain_name=$(cat "/var/lib/tor/hidden_service_${onion_app_name}/hostname")
                     fi
                     if [ "$domain_name" ]; then
                         if [[ "$domain_name" != *'.onion' ]]; then