fix: get billing info in self-hosted edition from current workspace (#1774)

api/services/workspace_service.py

+from flask import current_app
 from flask_login import current_user
 from extensions.ext_database import db
 from models.account import Tenant, TenantAccountJoin, TenantAccountJoinRole
@@ -31,6 +32,8 @@ class WorkspaceService:
         ).first()
         tenant_info['role'] = tenant_account_join.role
 
+        edition = current_app.config['EDITION']
+        if edition == 'CLOUD':
             billing_info = BillingService.get_info(tenant_info['id'])
 
             if billing_info['can_replace_logo'] and TenantService.has_roles(tenant, [TenantAccountJoinRole.OWNER, TenantAccountJoinRole.ADMIN]):