UI Dependency Updates and Eslitnt Fixes

[joshsadam]

Description of changes

What did you change in this pull request? Provide a description of files changed, user interactions changed, etc. Include how to test your changes.

1. Updated AgGrid to 31.3.4 to fix security vulnerability
2. Forced resolution of rollup to 2.79.2
3. Updated Eslint and found that it was not running properly --> this is where the bulk of the changes come in, no functionality changes.

Related issue

Link to the GitHub issue this pull request addresses using the #issuenum format. If it completes an issue, use Fixes #issuenum to automatically close the issue.

Checklist

Things for the developer to confirm they've done before the PR should be accepted:

• CHANGELOG.md (and UPGRADING.md if necessary) updated with information for new change.
• Tests added (or description of how to test) for any new features.
• User documentation updated for UI or technical changes.