[ML] Anomaly explorer freezes on some jobs when clicking on the left most swimlane cells

[qn895]

Found in version
7.11.0-bc1

Browser
Chrome

Steps to reproduce
Use the MLQA anomaly_detection suite
Visit the Anomaly Explorer for fb_population_1 job
Click on any cells in the left most column in the swim lane explorer

Use the MLQA scenario_JobGallery scenario suite
Visit the Anomaly Explorer for gallery1_1608117068_800_8207, gallery2019_1608117189_800_8207 jobs
Click on any cells in the left most column in the swim lane explorer

Expected result

All charts are rendered correctly

Actual result

The page freezes

[elasticmachine]

Pinging @elastic/ml-ui (:ml)