fix: reduce white space in trailers & extras row

Fixes excessive white space at the bottom of media containers in the
trailers & extras horizontal scroll:
- Add mainAxisSize.min to Column to prevent expansion
- Reduce container height from 200 to 160px to match content size

lib/screens/media_detail_screen.dart

@@ -1801,7 +1801,7 @@ class _MediaDetailScreenState extends State<MediaDetailScreen> with WatchStateAw
                           ),
                           const SizedBox(height: 12),
                           SizedBox(
-                            height: 200,
+                            height: 160,
                             child: HorizontalScrollWithArrows(
                               builder: (scrollController) => ListView.separated(
                                 controller: scrollController,
@@ -1928,6 +1928,7 @@ class _MediaDetailScreenState extends State<MediaDetailScreen> with WatchStateAw
       child: SizedBox(
         width: 160,
         child: Column(
+          mainAxisSize: MainAxisSize.min,
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
             ClipRRect(