[Flamegraph] tweening stopped (regression)

[monfera]

Describe the issue
Flamegraph tweening on click stopped working

To Reproduce
Steps to reproduce the behavior:

1. Go to the flamegraph story http://localhost:9001/?path=/story/flame-alpha--cpu-profile-flame-chart&globals=theme:light;background:white
2. Click on a bar
3. No tweening observed

Expected behaviour
Tweening

Screenshots

Version (please complete the following information):

• OS: any
• Browser: any
• Elastic Charts: as of current main (59002df)

Additional context
Bisected to commit 6db2677 PR #1402

Errors in browser console

Kibana Cross Issues

Checklist

• The proper chart type label has been added (e.g. :xy, :partition)
• The proper feature labels have been added (e.g. :interactions, :axis)
• Every related Kibana issue is listed under Kibana Cross Issues list and the kibana cross issue tag is applied