feat: add modal component for sighting details with content display

- Implemented ModalComponent for reusable modal functionality.
- Created SightingItemModal to manage modal state and display sighting details.
- Developed SightingModalContent to render sighting information including video feed and metadata.

src/features/dashboard/hooks/useVideoFeed.ts

@@ -16,7 +16,7 @@ export const useVideoFeed = () => {
   const videoFeedQuery = useQuery({
     queryKey: ["videoFeed"],
     queryFn: () => fetchVideoFeed(currentRefId.current),
-    refetchInterval: 1000,
+    refetchInterval: 400,
     refetchOnWindowFocus: false,
     retry: false,
     staleTime: 0,