Improve camera group live view grids (#24461)

* rework live dashboard grid layout and add natural mode

* hide natural aspect and layout import on phones

* fix merge conflict

* add confirmation dialog for clearing groups and streaming settings

* add confirmation dialog for natural aspect switch

* clean up

* remove note

* wording tweak

* remove unused

* fixes

web/src/views/live/LiveCameraView.tsx

@@ -860,7 +860,7 @@ export default function LiveCameraView({
                 )}
                 <LivePlayer
                   key={camera.name}
-                  className={`${fullscreen ? "*:rounded-none" : ""}`}
+                  className={fullscreen ? "rounded-none" : ""}
                   windowVisible
                   showStillWithoutActivity={false}
                   alwaysShowCameraName={false}