feat: ui improvement

flutter 3.7 compatibility
responsive view
beautiful progress bar
select file in treeview
downlading and downloaded page

ui/flutter/pubspec.yaml

@@ -52,7 +52,8 @@ dependencies:
   desktop_drop: ^0.3.3
   intl: ^0.17.0
   package_info_plus: ^3.0.2
-
+  fluent_ui: ^4.2.0
+  path: any
 dev_dependencies:
   flutter_test:
     sdk: flutter