Update to document for extension IsDestinationPageACommunityToolkitPo…

[JamesBrooksbankIceland]

Added description of new extension method within OnNavigatedFrom on page lifecycle.

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

Learn Build status updates of commit bf10ee4:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
docs/maui/views/Popup.md	:white_check_mark:Succeeded	View

For more details, please refer to the build report.

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

PoliCheck Scan Report

The following report lists PoliCheck issues in PR files. Before you merge the PR, you must fix all severity-1 and severity-2 issues. The AI Review Details column lists suggestions for either removing or replacing the terms. If you find a false positive result, mention it in a PR comment and include this text: #policheck-false-positive. This feedback helps reduce false positives in future scans.

:white_check_mark: No issues found

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[jfversluis]

Converting to draft until the actual feature is merged and released