[maxmcd]

I believe the solution present on this linked page will help you: https://www.vincedes3.com/save.html

Opens imessage again with a message draft so that you can delete the conversation without fetching the linked bug

[a_t48]

Warning - this link has dozens of not work appropriate ads on it now.

[maxmcd]

Agh, apologies, missed those with my adblocker