feat(dashboard): traverse file URI from file ID (#2412)

pkg/filemanager/manager/manager.go

@@ -55,6 +55,8 @@ type (
 		PatchMedata(ctx context.Context, path []*fs.URI, data ...fs.MetadataPatch) error
 		// CreateViewerSession creates a viewer session for given file
 		CreateViewerSession(ctx context.Context, uri *fs.URI, version string, viewer *setting.Viewer) (*ViewerSession, error)
+		// TraverseFile traverses a file to its root file, return the file with linked root.
+		TraverseFile(ctx context.Context, fileID int) (fs.File, error)
 	}
 
 	FsManagement interface {