The text "The form has been submitted successfully." isn't translated correctly in Swedish

Description

Steps to reproduce:

1. Create a page in SV language that contains a form container.
2. Submit form.

Expected:

The text "The form has been submitted successfully." is translated correctly.

Actual:

The text "The form has been submitted successfully." isn't translated correctly in Swedish. It still displays: "Formuläret skickat.", which is the old translation and not the latest.