UI fixes (#22814)

* display area as proper percentage in debug view

* match replay objects list with debug view

* motion search fixes

- tweak progress bar to exclude heatmap and inactive segments
- show metrics immediately on search start
- fix preview frame loading race
- fix polygon missing after dialog remount
- don't try to drag the image when dragging vertex of polygon

* add activity indicator to storage metrics

* make sub label query for events API endpoints case insensitive

frigate/api/chat.py

@@ -407,7 +407,7 @@ async def _execute_search_objects(
     query_params = EventsQueryParams(
         cameras=arguments.get("camera", "all"),
         labels=arguments.get("label", "all"),
-        sub_labels=arguments.get("sub_label", "all").lower(),
+        sub_labels=arguments.get("sub_label", "all"),  # case-insensitive on the backend
         zones=zones,
         zone=zones,
         after=after,