refactor: DCM - const border radius, constructor & switch expressions (#19515)

* enable border radius, switch exp, const constructor

* regenerate provider

* more formatting

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Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>

mobile/lib/models/folder/root_folder.model.dart

@@ -4,7 +4,7 @@ class RootFolder {
   final List<RecursiveFolder> subfolders;
   final String path;
 
-  RootFolder({
+  const RootFolder({
     required this.subfolders,
     required this.path,
   });