CMS: fixed oversight in page model, giving no content table if contenttable field is blank in DB - no longer applies with generic content table (cherry picked from commit aae342f08dde9e524d11be13c42727773b56e80b)
CMS: fixed oversight in page model, giving no content table if contenttable field is blank in DB - no longer applies with generic content table
(cherry picked from commit aae342f08dde9e524d11be13c42727773b56e80b)

deepwinter/lattice-deprecated,deepwinter/lattice-deprecated,deepwinter/lattice-deprecated