fix(dbfs): default view can be overwritten accidently (close #3330)

pkg/filemanager/fs/dbfs/file.go

@@ -30,12 +30,15 @@ var (
 			}
 		},
 	}
-	defaultView = &types.ExplorerView{
+)
+
+func getDefaultView() *types.ExplorerView {
+	return &types.ExplorerView{
 		PageSize:  defaultPageSize,
 		View:      "grid",
 		Thumbnail: true,
 	}
-)
+}
 
 type (
 	File struct {
@@ -213,7 +216,7 @@ func (f *File) View() *types.ExplorerView {
 		current = current.Parent
 	}
 
-	return defaultView
+	return getDefaultView()
 }
 
 // UserRoot return the root file from user's view.

pkg/filemanager/fs/dbfs/sharewithme_navigator.go

@@ -147,5 +147,5 @@ func (n *sharedWithMeNavigator) GetView(ctx context.Context, file *File) *types.
 	if view, ok := n.user.Settings.FsViewMap[string(constants.FileSystemSharedWithMe)]; ok {
 		return &view
 	}
-	return defaultView
+	return getDefaultView()
 }