fix missing json components

cms/reco/cms-reco/jobs/bad_1/cms-reco_summary.json

-{"copies":1 , "threads_per_copy":4 , "events_per_thread" : 3 , "throughput_score": "[ERROR] Something went wrong in parsing the Event Throughput" , "CPU_score": "[ERROR] Something went wrong in parsing the CPU score" , "log": "ERROR", "app":  }
+{"copies":1 , "threads_per_copy":4 , "events_per_thread" : 3 , "throughput_score": "[ERROR] Something went wrong in parsing the Event Throughput" , "CPU_score": "[ERROR] Something went wrong in parsing the CPU score" , "log": "ERROR", "app": {"version":"v0.11","description":"CMS RECO of ttbar events, based on CMSSW_10_2_9","cvmfs_checksum":"7709cc1dd71cc16f1e82ed0bef0002a2","bmkdata_checksum":"85537134eef4c02127b3b638bd6f766d","bmk_checksum":"ff2071f17349425463b4e8e59e23f846"}  }