Flask 3.1.2 upgrade fix by Avoids using current_user in background thread (#24290)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/models/workflow.py

@@ -7,7 +7,6 @@ from typing import TYPE_CHECKING, Any, Optional, Union
 from uuid import uuid4
 
 import sqlalchemy as sa
-from flask_login import current_user
 from sqlalchemy import DateTime, orm
 
 from core.file.constants import maybe_file_object
@@ -18,7 +17,6 @@ from core.workflow.constants import CONVERSATION_VARIABLE_NODE_ID, SYSTEM_VARIAB
 from core.workflow.nodes.enums import NodeType
 from factories.variable_factory import TypeMismatchError, build_segment_with_type
 from libs.datetime_utils import naive_utc_now
-from libs.helper import extract_tenant_id
 
 from ._workflow_exc import NodeNotFoundError, WorkflowDataError
 
@@ -351,8 +349,8 @@ class Workflow(Base):
         if self._environment_variables is None:
             self._environment_variables = "{}"
 
-        # Get tenant_id from current_user (Account or EndUser)
-        tenant_id = extract_tenant_id(current_user)
+        # Use workflow.tenant_id to avoid relying on request user in background threads
+        tenant_id = self.tenant_id
 
         if not tenant_id:
             return []
@@ -382,8 +380,8 @@ class Workflow(Base):
             self._environment_variables = "{}"
             return
 
-        # Get tenant_id from current_user (Account or EndUser)
-        tenant_id = extract_tenant_id(current_user)
+        # Use workflow.tenant_id to avoid relying on request user in background threads
+        tenant_id = self.tenant_id
 
         if not tenant_id:
             self._environment_variables = "{}"