Fix authorization for OrtszuordnungMp and friends. Setting readonly equal to owner implied an owner cannot edit its own objects. That was probably not intended. As many of the conditionals actually evaluated to doing nothing, those were removed.

INSERT INTO stammdaten.verwaltungsgrenze(gem_id, shape)
SELECT
  verwaltungseinheit.id,
  gem_utm.geom
FROM
  stammdaten.verwaltungseinheit
JOIN geo.gem_utm ON verwaltungseinheit.id = gem_utm.ags;