+ AuthBind中添加BindType

- 合并函数GetAuthBindsByAuthID2
- User中的mobile与email改为可为null

business/auth2/auth2.go

@@ -435,5 +435,5 @@ func DisableUser(userID, operatorUserName string) (err error) {
 }
 
 func GetUserBindAuthInfo(userID string) (authList []*model.AuthBind, err error) {
-	return dao.GetUserBindAuthInfo(dao.GetDB(), userID)
+	return dao.GetUserBindAuthInfo(dao.GetDB(), userID, model.AuthBindTypeAuth, "", nil)
 }