[ML] Fixing bucket span estimator in advanced wizard (elastic#149008)

In the advanced wizard the bucket span estimator is always disabled.
This was caused by an incorrect update check.

x-pack/plugins/ml/public/application/jobs/new_job/pages/components/pick_fields_step/components/bucket_span_estimator/bucket_span_estimator.tsx

@@ -19,7 +19,7 @@ interface Props {
 }
 
 export const BucketSpanEstimator: FC<Props> = ({ setEstimating }) => {
-  const { jobCreator, jobCreatorUpdate } = useContext(JobCreatorContext);
+  const { jobCreator, jobCreatorUpdated } = useContext(JobCreatorContext);
   const { status, estimateBucketSpan } = useEstimateBucketSpan();
   const [noDetectors, setNoDetectors] = useState(jobCreator.detectors.length === 0);
   const [isUsingMlCategory, setIsUsingMlCategory] = useState(checkIsUsingMlCategory());
@@ -33,7 +33,7 @@ export const BucketSpanEstimator: FC<Props> = ({ setEstimating }) => {
     setNoDetectors(jobCreator.detectors.length === 0);
     setIsUsingMlCategory(checkIsUsingMlCategory());
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [jobCreatorUpdate]);
+  }, [jobCreatorUpdated]);
 
   function checkIsUsingMlCategory() {
     return (