add 3443

Author: StephenDaDev

CHANGELOG.md

@@ -35,6 +35,7 @@ however, insignificant breaking changes do not guarantee a major version bump, s
 - Silent error when using `confirm_thread_creation` and react-to-contact, when recipient has DMs disabled [#3447](https://github.com/modmail-dev/Modmail/pull/3447).
 - Freply silentenly errors after encountering an unmatched brace. Freply now ignores unmatched braces [#3452](https://github.com/modmail-dev/Modmail/pull/3452).
 - `thread_creation_menu_timeout` doesn't fail when provided an incorrect format, and instead converts it [#3451](https://github.com/modmail-dev/Modmail/pull/3451).
+- `thread_cooldown` can no longer be bypassed by users using the `selfcontact` command, it can still be bypassed by staff using the `contact` command. (#3443)[https://github.com/modmail-dev/Modmail/pull/3443]
 
 
 # v4.2.1