fix light theme color in delete torrent sheet

Author: amitamrutiya

lib/Components/torrent_tile.dart

@@ -37,7 +37,7 @@ class _TorrentTileState extends State<TorrentTile> {
       ),
       isScrollControlled: true,
       context: context,
-      backgroundColor: ThemeProvider.theme.backgroundColor,
+      backgroundColor: ThemeProvider.theme.scaffoldBackgroundColor,
       builder: (context) {
         return DeleteTorrentSheet(
           torrent: widget.model,