Flag as out of date - Email notifications show previous message

Checklist

I confirm that this is an issue with aurweb's code and not a user-uploaded package.
I have described the bug in complete detail in the Description section.
I have specified steps in the Reproduction section.
I have included any logs related to the bug in the Logs section.
I have included the versions which are affected in the Version(s) section.

Description

When you flag a package as out of date, it send an email notification with the previous flag out of date notification message.

Reproduction

Flag a package you own as out of date, check the email notification, the message is not the one you typed.

Logs

Version(s)

v6.0.13 tested on 2022-02-17

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information