Implement unit tests for badges page

[ecurrencyhodler]

Signed in and looking at my own profile

• When I am in the badges tab, i should see all the badges that are associated with my pubkey.
• I should see the images of the badges load

Signed in and looking at someone else's profile

• When I am in the badges tab, i should see all the badges that are associated with my pubkey.
• I should see the images of the badges load

Not Signed in and looking at a profile

• When I am in the badges tab, i should see all the badges that are associated with my pubkey.
• I should see the images of the badges load

[cybercraftsolutionsllc]

Submitted a PR for this: #2775

It adds backend test coverage for the badge data the profile badges tab depends on: badge IDs on /person/uuid/{uuid} across owner/other/anonymous viewing contexts, plus badge asset metadata including icon URLs from /person/assets/{uuid}.