chore: Follow up send multiple images

lib/pages/chat/send_file_dialog.dart

@@ -193,7 +193,9 @@ class SendFileDialogState extends State<SendFileDialog> {
                     padding: const EdgeInsets.only(bottom: 16.0),
                     child: SizedBox(
                       height: 256,
+                      child: Center(
                         child: ListView.builder(
+                          shrinkWrap: true,
                           itemCount: widget.files.length,
                           scrollDirection: Axis.horizontal,
                           itemBuilder: (context, i) => Padding(
@@ -217,6 +219,7 @@ class SendFileDialogState extends State<SendFileDialog> {
                         ),
                       ),
                     ),
+                  ),
                 if (uniqueMimeType?.startsWith('image') != true)
                   Padding(
                     padding: const EdgeInsets.only(bottom: 16.0),