Added middleware to modify porecess details response and replace the callback...

Added middleware to modify porecess details response and replace the callback result with a URl, and Implemented get callback result by step-id endpoint.

gso/api/v1/processes.py

@@ -3,7 +3,7 @@
 from typing import Any
 from uuid import UUID
 
-from fastapi import APIRouter, HTTPException, status, Depends
+from fastapi import APIRouter, Depends, HTTPException, status
 from orchestrator.db import ProcessStepTable
 from orchestrator.schemas.base import OrchestratorBaseModel