Graph isn't centred in experimental Run UI

[janfaracik]

Jenkins and plugins versions report

Recently regressed to no longer being centred in the card in the experimental Run UI.

What Operating System are you using (both controller, and any agents involved in the problem)?

macOS Golden Gate and Safari 27.

Reproduction steps

Enable experimental Run UI
See PGV card

Expected Results

Graph should be centred

Actual Results

Not centred

Anything else?

No response

Are you interested in contributing a fix?

No response