Steps to replicate the issue (include links if applicable):

• Create User:Example and User:Example (disambiguation
• Block User:Example (disambiguation)

What happens?:
User:Example gets blacklisted, User:Example (disambiguation) remains unliested

What should have happened instead?:
User:Example (disambiguation) should be blacklisted instead

Software version (on Special:Version page; skip for WMF-hosted wikis like Wikipedia):

Other information (browser name/version, screenshots, etc.):

[16:28:43] <+AntiComposite> CVNBot1 bl show CFA
[16:28:43] <+CVNBot1> CFA is on global blacklist, added by Rsjaffe until 17:15, 2 March 2025 ("Autoblacklist: blocked User:CFA (51) (account creation blocked) with an expiry time of indefinite: [[WP:DISRUPTONLY|Vandalism-only account]]; see also filter log on en.wikipedia")
[16:32:54] <+AntiComposite> CVNBot1 bl show CFA (51)
[16:32:54] <+CVNBot1> CFA (51) is an unlisted registered user

https://en.wikipedia.org/wiki/Special:Contributions/CFA_(51)