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>

frigate/comms/webpush.py

@@ -173,7 +173,12 @@ class WebPushClient(Communicator):  # type: ignore[misc]
                 return
             self.send_alert(decoded)
         elif topic == "notification_test":
-            if not self.config.notifications.enabled:
+            if not self.config.notifications.enabled and not any(
+                cam.notifications.enabled for cam in self.config.cameras.values()
+            ):
+                logger.debug(
+                    "No cameras have notifications enabled, test notification not sent"
+                )
                 return
             self.send_notification_test()