Change RBAC field names from builtin to is_builtin

gns3server/schemas/controller/rbac.py

@@ -114,7 +114,7 @@ class RoleUpdate(RoleBase):
 class Role(DateTimeModelMixin, RoleBase):
 
     role_id: UUID
-    builtin: bool
+    is_builtin: bool
     permissions: List[Permission]
 
     class Config:

gns3server/schemas/controller/users.py

@@ -85,7 +85,7 @@ class UserGroupUpdate(UserGroupBase):
 class UserGroup(DateTimeModelMixin, UserGroupBase):
 
     user_group_id: UUID
-    builtin: bool
+    is_builtin: bool
 
     class Config:
         orm_mode = True