Fixes (#18262)

* Don't use timezone in export dialog timestamps

Revert an unnecessary change made in https://github.com/blakeblackshear/frigate/pull/18257

* Ensure notifications register button is only disabled when both all cameras and every individual camera is disabled

* Send test notification if any cameras are enabled

* clarify docs about disabling cameras

* fix crash in autotracking zoom

* clean up

* masks and zones i18n fixes

* Check if camera is enabled in config

---------

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

web/src/views/settings/NotificationsSettingsView.tsx

@@ -520,7 +520,9 @@ export default function NotificationView({
                   <Button
                     aria-label={t("notification.registerDevice")}
                     disabled={
-                      !config?.notifications.enabled || publicKey == undefined
+                      (!config?.notifications.enabled &&
+                        notificationCameras.length === 0) ||
+                      publicKey == undefined
                     }
                     onClick={() => {
                       if (registration == null) {