Add refreshing conditional class

[Tranced]

Added conditional refresh class to list items in mailboxList. Resolves #105

Readiness checklist

• [✅ ] Cypress tests passing?
• [❌ ] New cypress tests added?
• [✅ ] Included before/after screenshots, if the change is visual

https://www.loom.com/share/4db0809a8c57452590f8f4a2a63fc299

License

I confirm that this contribution is made under the terms of the MIT license and that I have the authority necessary to make this contribution on behalf of its copyright owner.

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[heatlikeheatwave]

Hi @Tranced 👋

Thank you for your contribution! I've requested a couple small changes. Let me know if you have any questions. Once you're done, re-request my review and I'll take a look.

[Tranced]

@heathergh Thanks for the feedback! They're fixed :)

[heatlikeheatwave]

Thank you for making those changes! Great work, @Tranced :)