[ray dashboard] Fix sorting order on cluster page

[nikitavemuri]

Why are these changes needed?

Sets the default sorting order of nodes on the clusters page to (1) alive nodes first then alphabetically for other states (2) head node before worker nodes (3) alphabetical by node ID.

Related issue number

Closes #42666

Checks

• I've signed off every commit(by using the -s flag, i.e., git commit -s) in this PR.
• I've run scripts/format.sh to lint the changes in this PR.
• I've included any doc changes needed for https://docs.ray.io/en/master/.
  • I've added any new APIs to the API Reference. For example, if I added a
    method in Tune, I've added it in doc/source/tune/api/ under the
    corresponding .rst file.
• I've made sure the tests are passing. Note that there might be a few flaky tests, see the recent failures at https://flakey-tests.ray.io/
• Testing Strategy
  • Unit tests
  • Release tests
  • This PR is not tested :(

[alanwguo]

oh interesting. i didn't think dead head nodes was possible