[0.77] [Fabric] Add Support for ITextProvider, ITextProvider2, and ITextRangeProvider #14422
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Description
Type of Change
Why
Backport #14332 to 0.77.
Bring new architecture to compliant accessibility standards.
Resolves #13349
Resolves #13350
What
Note: Many methods/scenarios have not been implemented yet. Waiting for AccessibilityGrading to see what additional implementation is needed. #14333
Testing
Local testing and additional test infrastructure added to support dumping text information.
Changelog
Should this change be included in the release notes: Yes
Add support for ITextProvider, ITextProvider2, and ITextRangeProvider. App users now have access to detailed text information from UIA tools.
Microsoft Reviewers: Open in CodeFlow