For #19273 - Added a line at the end of xml files

[priyanka0906]

fixes: #19273

Pull Request checklist

• Tests: This PR includes thorough tests or an explanation of why it does not
• Screenshots: This PR includes screenshots or GIFs of the changes made or an explanation of why it does not
• Accessibility: The code in this PR follows accessibility best practices or does not include any user facing features. In addition, it includes a screenshot of a successful accessibility scan to ensure no new defects are added to the product.

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[priyanka0906]

@Amejia481 Please have a look.

[gabrielluong]

@priyanka0906 This looks great. Thank you for this!