fix MAX chart not being a dotted line

[alanwguo]

Why are these changes needed?

Adding back some default panel configurations that were accidentally removed in a prior PR #52719

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• 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
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• 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 :(

[eicherseiji]

lgtm :)

[dayshah]

ty!