Related Linear issue [[ https://linear.app/comm/issue/ENG-1722/capitalized-member-usernames-arent-grouped-with-lowercased-usernames | here ]].
{F154967}
Aboshcapital, aboshlocal, and Ashoatcapital's names all start with the letter A, but two groupings are created because the case is different. This diff merges the two groups together and groups member usernames case insensitively.