[ML] Error getting metric data Cannot read properties of undefined (reading '0') on single metric viewer when user navigates from anomaly explorer page->annotations -> job model snapshots -> single metric viewer

[bhavyarm]

Kibana version: 8.14.0/8.13.3

Browser version: chrome latest

Describe the bug: Kibana ML displays error getting metric data cannot read properties of undefined (reading 0) error when user clicks on single metric viewer on job model snapshots listed under annotations.

Steps to reproduce:

1. Click on anomaly explorer and select a job
2. On the job page, expand below annotations and select model snapshot stored
3. ML will display the annnotations. Click on single metric viewer on the annotation
4. ML displays "Error getting metric data Cannot read properties of undefined (reading '0')

Screenshots (if relevant):

[elasticmachine]

Pinging @elastic/ml-ui (:ml)

[peteharverson]

From a quick look, there might be an issue with undefined focusRange` in https://github.com/elastic/kibana/blob/main/x-pack/plugins/ml/public/application/timeseriesexplorer/timeseriesexplorer.js#L438.

While testing this, I also noticed that the hover on anomalies in the table no longer highlights the corresponding anomaly marker in the chart, with this error in the console: