WIP - Marji/improve naming for top mentions implementations

[marjisound]

What does this change?

Does this change need to be reproduced in dotcom-rendering ?

• No
• Yes (please indicate your plans for DCR Implementation)

Screenshots

What is the value of this and can you measure success?

Checklist

Does this affect other platforms?

• AMP
• Apps
• Other (please specify)

Does this affect GLabs Paid Content Pages? Should it have support for Paid Content?

• No
• Yes (please give details)

Does this change break ad-free?

• No
• It did, but tests caught it and I fixed it
• It did, but there was no test coverage so I added that then fixed it

Does this change update the version of CAPI we're using?

• No, all the existing database files are just fine
• Yes, and I have re-run all the tests locally and checked in all the updated data/database/xyz files

Accessibility test checklist

• Tested with screen reader
• Navigable with keyboard
• Colour contrast passed

Tested

• Locally
• On CODE (optional)

[marjisound]

Closing this PR as we did some naming improvement in #25152 (review)