Solve Mili Material Edge Lines in the Mili Plugin

[JustinPrivitera]

Description

Resolves #17950

We may want to do this with MPI in the future.

Can my approach lead to problems? How does VisIt decide to show a zone or not?

Type of change

• Bug fix~~
• [ ] New feature
• [ ] Documentation update
• [ ] Other

How Has This Been Tested?

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Checklist:

• I have commented my code where applicable.~~
• I have updated the release notes.~~
• I have made corresponding changes to the documentation.~~
• I have added debugging support to my changes.~~
• I have added tests that prove my fix is effective or that my feature works.~~
• I have confirmed new and existing unit tests pass locally with my changes.~~
• I have added new baselines for any new tests to the repo.~~
• I have NOT made any changes to protocol or public interfaces in an RC branch.~~