* started
* removed replaced itemType on all the places where it was used to identyfi the user profile layer
* removed unused property from NavBar
* removed unused property from AppShell
* removed userType from app state
* 3.0.60
* set version to 3.0.64 to publish package to include it in utopia-map
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Co-authored-by: Ulf Gebhardt <ulf.gebhardt@webcraft-media.de>