fix(ui_sso.py): fix faulty admin check

fix check to make sure admin can log into ui in 'admin_only' ui access mode

Fixes https://github.com/BerriAI/litellm/issues/6286

litellm/proxy/_new_secret_config.yaml

@@ -5,8 +5,5 @@ model_list:
       api_key: os.environ/OPENAI_API_KEY
 
 
-assistant_settings:
-  custom_llm_provider: azure
-  litellm_params: 
-    api_key: os.environ/AZURE_API_KEY
-    api_base: os.environ/AZURE_API_BASE
+general_settings:
+  ui_access_mode: admin_only

litellm/proxy/management_endpoints/ui_sso.py

@@ -547,7 +547,7 @@ async def auth_callback(request: Request):
     ## CHECK IF ROLE ALLOWED TO USE PROXY ##
     if ui_access_mode == "admin_only" and (
         user_role != LitellmUserRoles.PROXY_ADMIN.value
-        or user_role != LitellmUserRoles.PROXY_ADMIN_VIEW_ONLY.value
+        and user_role != LitellmUserRoles.PROXY_ADMIN_VIEW_ONLY.value
     ):
         verbose_proxy_logger.debug("EXCEPTION RAISED")
         raise HTTPException(