refactor(dify_graph): unify invoke and user enums source in workflow (#32873)

api/models/__init__.py

@@ -30,7 +30,6 @@ from .enums import (
     AppTriggerStatus,
     AppTriggerType,
     CreatorUserRole,
-    UserFrom,
     WorkflowRunTriggeredFrom,
     WorkflowTriggerStatus,
 )
@@ -204,7 +203,6 @@ __all__ = [
     "TriggerOAuthTenantClient",
     "TriggerSubscription",
     "UploadFile",
-    "UserFrom",
     "Whitelist",
     "Workflow",
     "WorkflowAppLog",

api/models/enums.py

@@ -8,11 +8,6 @@ class CreatorUserRole(StrEnum):
     END_USER = "end_user"
 
 
-class UserFrom(StrEnum):
-    ACCOUNT = "account"
-    END_USER = "end-user"
-
-
 class WorkflowRunTriggeredFrom(StrEnum):
     DEBUGGING = "debugging"
     APP_RUN = "app-run"  # webapp / service api