feat(mobile): inline asset details (#25952)

The existing implementation for showing asset details uses a bottom
sheet, and is not in sync with the preview or scroll intent. Other apps
use inline details, which is much cleaner and feels better to use.

mobile/lib/utils/action_button.utils.dart

@@ -225,7 +225,7 @@ enum ActionButtonType {
         iconData: Icons.info_outline,
         iconColor: context.originalTheme?.iconTheme.color,
         menuItem: true,
-        onPressed: () => EventStream.shared.emit(const ViewerOpenBottomSheetEvent()),
+        onPressed: () => EventStream.shared.emit(const ViewerShowDetailsEvent()),
       ),
       ActionButtonType.viewInTimeline => BaseActionButton(
         label: 'view_in_timeline'.tr(),