Summary

The MentionedUsers property does not update appropriately after editing the message

Details

.NET 6
compiling using msbuild

Steps to reproduce

1. Create class-scoped instance of message
2. On MessageCreated callback, copy it into said message
3. The message user mentions are correctly displayed
4. Edit the message to remove the mentions
5. On MessageUpdated callback, re-copy instance
6. The message user mentions display wrong data