Fixes (#18077)

* fix onvif reinitialization

* api docs: clarify usage of clip.mp4 endpoint

* Always show train tab

* Add description to API

* catch lpr model inference exceptions

* always apply motion mask when using yolov9 plate detection

* lpr faq

* fix incorrect focus when reopening search detail dialog on video tab

* only use keyboard listener in face library when train tab is active

---------

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

web/public/locales/en/views/faceLibrary.json

@@ -29,7 +29,8 @@
   },
   "train": {
     "title": "Train",
-    "aria": "Select train"
+    "aria": "Select train",
+    "empty": "There are no recent face recognition attempts"
   },
   "selectItem": "Select {{item}}",
   "selectFace": "Select Face",