restapi: wrong user id in /api/users/<id>/permissions(#890124)

The user id returned by /api/users/<id>/permissions shows
the everyone id 'eee00000-0000-0000-0000-123456789eee'
where it should show the user id.

This patch replaces the everyone id with the user id
before returning the results.

Change-Id: I3d801cb3c4ad788e984c5338a04ac534d4942601
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=890124
Signed-off-by: Ravi Nori <rnori@redhat.com>