Update documentation for EDIT_DISTANCE function

[simonsabin]

Clarified the definition and behavior of the EDIT_DISTANCE function, including details on maximum distance computation and return values.

[prmerger-automator]

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[learn-build-service-prod]

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[ktoliver]

@MikeRayMSFT

Can you review the proposed changes?

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[Copilot]

Pull request overview

This PR updates the documentation for the EDIT_DISTANCE function to provide clearer explanations of its behavior and parameters. The changes focus on improving the description of how the function calculates edit distance and how the maximum_distance parameter affects computation.

Key changes:

• Clarified the function's purpose to emphasize it calculates "distance" as the number of transformations
• Improved explanation of the maximum_distance parameter behavior
• Reorganized the Return value and Remarks sections for better clarity
• Added a second example demonstrating the maximum_distance parameter usage

[learn-build-service-prod]

Learn Build status updates of commit 9973739:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/t-sql/functions/edit-distance-transact-sql.md	✅Succeeded

For more details, please refer to the build report.

[learn-build-service-prod]

Learn Build status updates of commit b697f0c:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/t-sql/functions/edit-distance-transact-sql.md	✅Succeeded

For more details, please refer to the build report.