Fix i18n

[qhantom]

DESCRIPTION

This PR fixes the i18n implementation in the following way. This implementation replaces the current workaround where you need to pass userRights in dependency array of useEffect hook inside _app.tsx.

• add route protector to only navigate to routes the user has the appropriate rights for, otherwise show an access denied message

• check user language on render and adjust URL accordingly
• do not allow an empty language dropdown field in profile form and user form

TO-DO

• [x] implement and update tests
• [x] update docs
• [x] pull main & resolve merge conflicts
• [x] check Vercel deployment

[vercel[bot]]

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Name	Status	Preview	Updated (UTC)
app	✅ Ready (Inspect)	Visit Preview	Jun 4, 2024 11:09am
docs	✅ Ready (Inspect)	Visit Preview	Jun 4, 2024 11:09am

[qhantom]

I really like the solution and it's also a wonderful refactoring! Thank you for the effort!

Thanks man!

[qhantom]

@PhilKsr please have another look 🙂