fix: sorting for saved filters

resolves #786

pkg/models/task_collection.go

@@ -149,6 +149,11 @@ func (tf *TaskCollection) ReadAll(s *xorm.Session, a web.Auth, search string, pa
 			return nil, 0, 0, err
 		}
 
+		sf.Filters.SortByArr = tf.SortByArr
+		sf.Filters.SortBy = tf.SortBy
+		sf.Filters.OrderByArr = tf.OrderByArr
+		sf.Filters.OrderBy = tf.OrderBy
+
 		return sf.getTaskCollection().ReadAll(s, a, search, page, perPage)
 	}