Free trial registration: No confirmation is displayed after clicking "Start your free trial"

Steps:

1. Go to Registration page
2. Click “Mail” button
3. Fill all fields of the registration form
4. Check the checkbox
5. Click "Start your free trial"

Expected result: Information about sending an activation email is displayed (e.g. "Check your inbox. We sent you an email with the confirmation link.")

Actual result: There's no information about successfully sending a confirmation email, there's only loading animation (see screenshot).