Weekly results for experiments active for a long time overflow from the rest of the Results page UI

[data-sync-user]

[Prerequisites]:

• Have the Results page of a long-running experiment open ( i.e. https://experimenter.services.mozilla.com/nimbus/new-user-home-screen-impact-assessment-experiment-android-production/results)

[Steps to reproduce]:

1. Scroll down to “Results Summary”.
2. Click “Show Weekly Data”.
3. Observe the table displayed.

[Expected result]:

• The table displayed does not overflow from the section it is found in.

[Actual result]:

• The table displayed overflows from the section it is found in.

[Notes]:

• Attached is a screenshot of the issue.

!image-20220527-134905.png|width=1190,height=639!

┆Issue is synchronized with this Jira Bug ┆Attachments: image-20220527-134905.png