ui: change height of column selector

[maryliag]

Previosuly, it was hard to identify there was more items on the columns selector, since the scrollbar is confugured by the user and might not show up right away (it will show once you hover with mouse and scroll).
This commit changes the height of the filter, making part of the next options to show up, hinting there is more options when scrolling.

Part Of #91763

Before

After

Release note (ui change): Change the height of column selector, so it can hint there are more options to be selected once scrolled.

[cockroach-teamcity]

This change is 

[xinhaoz]

Reviewed 1 of 1 files at r1.
Reviewable status: complete! 0 of 0 LGTMs obtained (waiting on @dongniwang)

[maryliag]

bors r+

[craig]

Build failed (retrying...):

• Bazel Essential CI (Cockroach)

[craig]

Build succeeded:

• Bazel Essential CI (Cockroach)

[blathers-crl]

Encountered an error creating backports. Some common things that can go wrong:

1. The backport branch might have already existed.
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You might need to create your backport manually using the backport tool.

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error creating merge commit from fe2f0af to blathers/backport-release-22.1-91867: POST https://api.github.com/repos/cockroachdb/cockroach/merges: 403 Resource not accessible by integration []

you may need to manually resolve merge conflicts with the backport tool.

Backport to branch 22.1.x failed. See errors above.

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error creating merge commit from fe2f0af to blathers/backport-release-22.2-91867: POST https://api.github.com/repos/cockroachdb/cockroach/merges: 403 Resource not accessible by integration []

you may need to manually resolve merge conflicts with the backport tool.

Backport to branch 22.2.x failed. See errors above.

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