Fix typescript errors in bh-shared-ui

[elikmiller]

Description

This PR accomplishes the following:

• Fixes a handful of previously uncaught TypeScript errors appearing in packages/javascript/bh-shared-ui
• Adds js-file-download to the list of exlcuded dependencies when building packages/javascript/bh-shared-ui
• Ensures TypeScript type checking occurs as part of the build process for both packages/javascript/bh-shared-ui and packages/javascript/js-client-library
• Adds a new workflow file which attempts to build the BHCE UI application during pull requests or when a new commit is pushed to the main branch

Motivation and Context

This PR addresses: BED-5219

How Has This Been Tested?

Unit tests have been updated. A new workflow file has been added to futher check that a build of the BHCE UI application is possible on all future pull requests or commits to the main branch.

You can inspect the checks for this PR to validate that the changes are working as intended.

Screenshots (optional):

Types of changes

• Chore (a change that does not modify the application functionality)
• Bug fix (non-breaking change which fixes an issue)

Checklist:

• I have met the contributing prerequisites
  • Assigned myself to this PR
  • Added the appropriate labels
  • Associated an issue: Issues and Pull Requests README #672
  • Read the Contributing guide: https://github.com/SpecterOps/BloodHound/wiki/Contributing
• I have ensured that related documentation is up-to-date
  • Open API docs
  • Code comments (GoDocs / JSDocs)
• I have followed proper test practices
  • Added/updated tests to cover my changes
  • All new and existing tests passed

[sircodemane]

seems pretty straight forward to me