[4.x]: User activation email and other user emails get overwritten by Contact Form plugin

[arentsen]

What happened?

Any emails that are sent out by the system (such as a password reset link) have the correct subject, but the contents of the emails gets overwritten by the contents of the contact confirmation email of the Contact Form plugin and Contact Form Extensions. I added in issue in October in their respository, but no response yet.

I just used the examples from the manual, nothing fancy. Somehow, it seems that this variable {{ emailParts[1]|default|raw }} changes something globally and any email that gets send out uses it. Any help would really be appreciated. Is this a variable that also gets used for any system email to users?

Currently, no user can get a proper email, since it gets overwritten. I already disabled the plugins, changed the content of the templates, but nothing changes.

These are the settings of the Contact Form Extensions plugin. Changing them also does not help.

Any help would be greatly appreciated.

Steps to reproduce
Additional info
Craft version: 4.5.7
PHP version: 8.0.2
Database driver & version:
Plugins & versions: Contact-form plugin 3.0.1

Craft CMS version

4.8

PHP version

No response

Operating system and version

No response

Database type and version

No response

Image driver and version

No response

Installed plugins and versions

[brandonkelly]

Contact Form Extensions is a third-party plugin, so this will need to be fixed on that end.