Miscellaneous fixes (0.17 beta) (#21699)

* tracking details tweaks

- fix 4:3 layout
- get and use aspect of record stream if different from detect stream

* aspect ratio docs tip

* spacing

* fix

* i18n fix

* additional logs on ffmpeg exit

* improve no camera view

instead of showing an "add camera" message, show a specific message for empty camera groups when frigate already has cameras added

* add note about separate onvif accounts in some camera firmware

* clarify review summary report docs

* review settings tweaks

- remove horizontal divider
- update description language for switches
- keep save button disabled until review classification settings change

* use correct Toaster component from shadcn

* clarify support for intel b-series (battlemage) gpus

* add clarifying comment to dummy camera docs

web/src/components/card/EmptyCard.tsx

@@ -35,7 +35,9 @@ export function EmptyCard({
       {icon}
       {TitleComponent}
       {description && (
-        <div className="mb-3 text-secondary-foreground">{description}</div>
+        <div className="mb-3 text-center text-secondary-foreground">
+          {description}
+        </div>
       )}
       {buttonText?.length && (
         <Button size="sm" variant="select">