set raw:true for findAllJoin

lib/dialects/abstract/query.js

@@ -260,8 +260,7 @@ module.exports = (function() {
           , mainDao;
 
         delete result[this.options.joinTableModel.name];
-
-        mainDao = this.callee.build(result, { isNewRecord: false, isDirty: false });
+        mainDao = this.callee.build(result, { isNewRecord: false, isDirty: false, raw: true });
         mainDao[this.options.joinTableModel.name] = joinTableDAO;
 
         return mainDao;