Steps to reproduce:

1. PHP 8.3.6, Phorge at 4d12d014fd9ddc423ecbc6a61a92217d5aff19a4
2. As an admin, go to /config/edit/maniphest.priorities/ and change the value of "name" for a Priority value with a value < 50 (e.g.: Low, Wishlist)
3. Open /maniphest/report/project/
4. Hover over the Oldest (Pri) column

Actual outcome:

Tooltip shows "Oldest open task, excluding those with Low or Wishlist priority."

Expected outcome:
Tooltip shows custom Priority fields values for installation, instead of default Low or Wishlist.

Upstreamed from https://phabricator.wikimedia.org/T91428