adding extra datafeed_config check

Author: jgowdyelastic

x-pack/legacy/plugins/ml/public/jobs/jobs_list/components/job_details/extract_job_details.js

@@ -152,7 +152,8 @@ export function extractJobDetails(job) {
       defaultMessage: 'Timing stats'
     }),
     position: 'right',
-    items: filterObjects(job.datafeed_config.timing_stats).map(formatValues)
+    items: (job.datafeed_config && job.datafeed_config.timing_stats) ?
+      filterObjects(job.datafeed_config.timing_stats).map(formatValues) : []
   };
 
   return {

x-pack/legacy/plugins/ml/public/services/job_service.js

@@ -351,6 +351,7 @@ class JobService {
       delete tempJob.datafeed_config.job_id;
       delete tempJob.datafeed_config.state;
       delete tempJob.datafeed_config.node;
+      delete tempJob.datafeed_config.timing_stats;
 
       // remove query_delay if it's between 60s and 120s
       // the back-end produces a random value between 60 and 120 and so