DRF: api/dv-user/ bug

[raprasad]

(Currently not impacting functionality)

Bug 1: with logged in user and attempting to browse the /api/

AssertionError at /api/dv-user/
'DataverseUserView' should either include a `queryset` attribute, or override the `get_queryset()` method.

Bug 2: After adding theget_queryset() method

# code added:
    def get_queryset(self):
        """
        Retrieve DataverseUser objects related to the logged in User
          - OpenDPUser (logged in user)
            - DataverseUser (FK to OpenDPUser)
        """
        return DataverseUser.objects.filter(user=self.request.user)

Bug: