fix(simulator): Updates to combobox / listbox handling

[tombrunet]

Summary

• Simulator updates

This PR is related to the following issue(s):

• Fixes Need to better define how various types of comboboxes should render #2553

Testing reference:

• Automated tests

I have conducted the following for this PR:

• I validated this fix in my local env and provided testing information above
• I understand that the title of this PR will be used for the next release notes.
• I added I agree to the DCO at https://developercertificate.org/ for this contribution. as a comment after creating the pull request.

Assets to aide review attached

• Links to design artifacts
• Links to video walkthrough of user experience
• Other

Definition of Done

• Peer review complete
• Secondary review complete
• Staging deployment verified