Fix Android MediaPicker Photo capture logic

[Redth]

Description of Change

In https://github.com/dotnet/maui/pull/18620 we changed the photo capture logic along with the video. The photo logic should have stayed how it was, this splits things out a bit so that the two paths are a bit more obviously separate, and reverts back to the older photo capture logic.

Issues Fixed

Fixes #19821

[Redth]

/azp run

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