Move some vars to globals (#11017)

### What problem does this PR solve?

As title.

### Type of change

- [x] Refactoring

---------

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

api/db/init_data.py

@@ -32,6 +32,7 @@ from api.db.services.user_service import TenantService, UserTenantService
 from api import settings
 from common.constants import LLMType
 from common.file_utils import get_project_base_directory
+from common import globals
 from api.common.base64 import encode_to_base64
 
 
@@ -49,7 +50,7 @@ def init_superuser():
         "id": user_info["id"],
         "name": user_info["nickname"] + "‘s Kingdom",
         "llm_id": settings.CHAT_MDL,
-        "embd_id": settings.EMBEDDING_MDL,
+        "embd_id": globals.EMBEDDING_MDL,
         "asr_id": settings.ASR_MDL,
         "parser_ids": settings.PARSERS,
         "img2txt_id": settings.IMAGE2TEXT_MDL