feat: allow disabling file detections by reading header (#1175)

http/raw.go

@@ -84,11 +84,12 @@ var rawHandler = withUser(func(w http.ResponseWriter, r *http.Request, d *data)
 	}
 
 	file, err := files.NewFileInfo(files.FileOptions{
-		Fs:      d.user.Fs,
-		Path:    r.URL.Path,
-		Modify:  d.user.Perm.Modify,
-		Expand:  false,
-		Checker: d,
+		Fs:         d.user.Fs,
+		Path:       r.URL.Path,
+		Modify:     d.user.Perm.Modify,
+		Expand:     false,
+		ReadHeader: d.server.TypeDetectionByHeader,
+		Checker:    d,
 	})
 	if err != nil {
 		return errToStatus(err), err