Fit Dashboard worker table to page width

[jacobtomlinson]

Closes #8648
Also closes dask/dask#10409

Before

After

• Tests added / passed
• Passes pre-commit run --all-files

[github-actions]

Unit Test Results

See test report for an extended history of previous test failures. This is useful for diagnosing flaky tests.

    24 files   -     1      24 suites   - 1   9h 59m 57s ⏱️ - 14m 54s
 4 130 tests ±    0   4 016 ✅ +    3    110 💤 ±  0  4 ❌  - 3 
46 298 runs   - 1 410  44 355 ✅  - 1 250  1 938 💤  - 158  5 ❌  - 2 

For more details on these failures, see this check.

Results for commit 30fec1a. ± Comparison against base commit c3482ee.

[hendrikmakait]

Should we enforce a minimum width?

[jacobtomlinson]

I don't think we need to. There is a minimum width on the page already.

If you make the page really narrow things get a bit squashed up again, but they do for all the pages. The dashboard isn't really designed to work on phones and things.

[hendrikmakait]

Thanks, @jacobtomlinson!