perf: 设置默认的角色，系统用户角色添加权限 (#7898)

* perf: 修改 role handler

* perf: 设置默认的角色，系统用户角色添加权限

* perf: authentication 还是放到系统中吧

Co-authored-by: ibuler <ibuler@qq.com>
Co-authored-by: Jiangjie.Bai <32935519+BaiJiangJie@users.noreply.github.com>

apps/users/serializers/user.py

@@ -6,13 +6,11 @@ from rest_framework import serializers
 
 from common.mixins import CommonBulkSerializerMixin
 from common.validators import PhoneValidator
-from rbac.models import Role
 from rbac.builtin import BuiltinRole
 from rbac.permissions import RBACPermission
-from rbac.models import OrgRoleBinding, SystemRoleBinding
+from rbac.models import OrgRoleBinding, SystemRoleBinding, Role
 from ..models import User
 from ..const import PasswordStrategy
-from rbac.models import Role
 
 __all__ = [
     'UserSerializer', 'MiniUserSerializer',