Update copy on request completion screen to better describe what data subjects should expect next

We've updated the copy found in the "what happens next" section when a data subject completes a request. This makes it much clearer to the data subject that they are expected to not do anything but wait.

Before

We've sent your request to ABC Ltd. They will review your submission and may contact you either to confirm your submission, or to ask for more information.

After
Your submission has been sent to ABC Ltd. Wait for your submission to be reviewed. You will be contacted if more information is required. You may now close this window.