Implement UI for managing multiple models (#24023)

* Implement hardware detection and UI management

* Cleanup Frigate+ detection

* Don't count model as changed

* Fixes for audio map error

* Add descriptions

* Enforce that all model must exist

* Fix hardware picking

* Docs fixes

* WebUI cleanup

* Cleanup handling of scenes

* UI refinement

* Cleanup recommended UI

* test fixews

web/public/locales/en/config/validation.json

@@ -31,5 +31,8 @@
   },
   "detect": {
     "dimensionMustBeEven": "Must be an even number."
+  },
+  "models": {
+    "defaultRequired": "One model must use a scene of 'All cameras'. Without it, any camera that does not choose a scene has no model to fall back to."
   }
 }