@brandsen , For camera app, I didn't find one camera app in the protected app list.
https://learn.microsoft.com/en-us/mem/intune/apps/apps-supported-intune-apps
For your situation, maybe you can configure the "Receive data from other apps" as All app to see if it can make it work.
https://learn.microsoft.com/en-us/mem/intune/apps/app-protection-policy-settings-ios
Hope it can help.
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