Update profilephoto-get (adding a note related to guest user access).md

[mahmoudmamdouh679]

Based on ICM https://portal.microsofticm.com/imp/v5/incidents/details/578983204/summary

Important

Required for API changes:

• Link to API.md file: ADD LINK HERE
• Link to PR for public-facing schema changes (schema-Prod-beta/v1.0.csdl): ADD LINK HERE

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Add other supporting information, such as a description of the PR changes:

ADD INFORMATION HERE

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Important

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[learn-build-service-prod]

Learn Build status updates of commit 4dad4c2:

✅ Validation status: passed

File	Status	Preview URL	Details
api-reference/v1.0/api/profilephoto-get.md	✅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

[learn-build-service-prod]

Learn Build status updates of commit f9035c7:

✅ Validation status: passed

File	Status	Preview URL	Details
api-reference/v1.0/api/profilephoto-get.md	✅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

[microsoft-github-policy-service]

Thank you for your work in this PR, @mahmoudmamdouh679.

When the updates in this PR are ready for external customers to use, please replace the do not merge label with ready to merge.

Check the content review workflow here.