Refactor: fix admin exception (#10400)

### What problem does this PR solve?

As title

### Type of change

- [x] Refactoring

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

admin/services.py

@@ -8,6 +8,7 @@ from api.db.services.user_service import TenantService
 from api.db.services.knowledgebase_service import KnowledgebaseService
 from api.utils.crypt import decrypt
 from api.utils import health_utils
+
 from api.common.exceptions import AdminException, UserAlreadyExistsError, UserNotFoundError
 from config import SERVICE_CONFIGS
 

api/common/exceptions.py

@@ -1,17 +1,21 @@
 class AdminException(Exception):
     def __init__(self, message, code=400):
         super().__init__(message)
+        self.type = "admin"
         self.code = code
         self.message = message
 
+
 class UserNotFoundError(AdminException):
     def __init__(self, username):
         super().__init__(f"User '{username}' not found", 404)
 
+
 class UserAlreadyExistsError(AdminException):
     def __init__(self, username):
         super().__init__(f"User '{username}' already exists", 409)
 
+
 class CannotDeleteAdminError(AdminException):
     def __init__(self):
         super().__init__("Cannot delete admin account", 403)