dev: added session# in _jobs.csv output

src/json_workload.cpp

@@ -528,6 +528,7 @@ Session *Parser::session_from_json_object(string user_name, const Value &object,
         PPK_ASSERT_ERROR(j->submission_time >= sub_time,
             "Invalid SABjson file: 'jobs' should be ordered inside a session");
         sub_time = j->submission_time;
+        j->id = j->id + ":s" + to_string(s->id);
         j->session = s;
         s->jobs.push_back(j);
     }