Pr05 Typescript Migration #19: client/common/icons

[clairep94]

This was a left-over file I didn't do during the client/common folder migration, as I didn't understand how it worked. I understand it better now, so have migrated it

Changes:

• client/common/icons

Notes:

Cherry-picked relevant commits from the giant rough-work PR here for easier review

I have verified that this pull request:

• has no linting errors (npm run lint)
• has no test errors (npm run test)
• is from a uniquely-named feature branch and is up to date with the develop branch.
• is descriptively named and links to an issue number, i.e. Fixes #123
• meets the standards outlined in the accessibility guidelines

[clairep94]

@raclim@khanniie super small one to wrap up client/common