Set user-timezone & user-locale in emails

[carstingaxion]

Is your enhancement related to a problem? Please describe.

The emails reminders don't respect the user-defined timezone and not the users locale.

Designs

No response

Describe alternatives you've considered

No response

Code of Conduct

• [X] I agree to follow this project's Code of Conduct

[carstingaxion]

One of the reasons might be, that the GatherPress translation files are not even downloaded from https://api.wordpress.org/..., when a user selects a different language in /profile.php.

[carstingaxion]

A clean Playground to debug

https://akirk.github.io/playground-step-library/#login__username--admin__password--password&&installPlugin__plugin--antispam-bee__permalink--false&&setLanguage__language--de&&installPlugin__plugin--gatherpress%20__permalink--false

[carstingaxion]

[carstingaxion]