Read permission dependency

[lmarini]

Make a new dependency that checks all relevant permissions to see if a user can see a dataset or not.

    authenticated: bool = Depends(CheckStatus("AUTHENTICATED")),
    public: bool = Depends(CheckStatus("PUBLIC")),
    admin=Depends(get_admin),
    admin_mode: bool = Depends(get_admin_mode),
    viewer: bool = Depends(Authorization("viewer")),
    
    if authenticated or public or (admin and admin_mode) or viewer: