Fix UTC DateTime conversion for SKDocumentPdfMetadata

[jeremy-visionaid]

SKTimeDateTimeInternal assumes the DateTime is local, but it might be UTC.

Description of Change

Ensure that the time zone calculation correctly accounts for local vs UTC time

Behavioral Changes

None.

Required skia PR

None.

PR Checklist

• Has tests (if omitted, state reason in description)
• Rebased on top of main at time of PR
• Merged related skia PRs
• Changes adhere to coding standard
• Updated documentation

[mattleibow]

/azp run

[azure-pipelines]

No pipelines are associated with this pull request.

[github-actions]

Triage Summary

Labels will be applied to indicate issues related to reliability, the SkiaSharp area, and the PDF backend, specifically addressing problems with DateTime handling.

This issue is not classified as a regression, as it focuses on an incorrect assumption rather than a failure of previously functional behavior.

Detailed Summary and Actions

Summary of the triage:

• The issue affects DateTime handling in the application, which can lead to unexpected behaviors.
• The issue involves the SKDocumentPdfMetadata, suggesting it is related to the SkiaSharp library.
• The PDF backend is relevant due to its connection to PDF processing and the specific area of concern within the issue.

Summary of the actions that will be performed:

Action	Item	Description
Apply Label	tenet/reliability	The issue relates to the incorrect assumption about DateTime handling which could lead to unexpected behaviors.
Apply Label	area/SkiaSharp	The issue relates to the handling of DateTime in the SKDocumentPdfMetadata, which is part of the SkiaSharp library.
Apply Label	backend/PDF	The issue pertains to SKDocumentPdfMetadata, which relates to PDF processing, making the PDF backend label appropriate.

Additional remarks:

• The issue description does not specify any operating system context and primarily focuses on DateTime conversion logic, which is why platform-specific labels were not applied.

This entire triage process was automated by AI and mistakes may have been made. Please let us know so we can continue to improve.