Dalle3 add seed (#5288)

Co-authored-by: luowei <glpat-EjySCyNjWiLqAED-YmwM>
Co-authored-by: crazywoola <427733928@qq.com>
Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com>

api/core/tools/provider/builtin/azuredalle/tools/dalle3.py

@@ -1,3 +1,4 @@
+import random
 from base64 import b64decode
 from typing import Any, Union