WIP: consolidating ia-icons separate pkg into iaux

[traceypooh]

Description

What does this PR achieve? Is it a feature/hotfix/refactor? Does it close an Issue? If so, use Closes #.

Technical

What should be noted about the implementation?

Testing

What steps should the reviewer take to verify this PR resolves the issue?

Evidence

If this PR touches UI, please post evidence (screenshot) of it behaving correctly.