Update storage-files-faq.md

[azarboon]

This important fact should be clearly stated in the documentation:

" Azure File Sync does not overwrite any files in your sync group."

[prmerger-automator[bot]]

@azarboon : Thanks for your contribution! The author(s) have been notified to review your proposed change.

[learn-build-service-prod[bot]]

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[Court72]

@khdownie

Can you review the proposed changes?

When the changes are ready for publication, add a #sign-off comment to signal that the PR is ready for the review team to merge.

label:"aq-pr-triaged"

@MicrosoftDocs/public-repo-pr-review-team

[learn-build-service-prod[bot]]

Learn Build status updates of commit f5fb95c:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
articles/storage/files/storage-files-faq.md	:white_check_mark:Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[khdownie]

sign-off