see https://bugs.oxid-esales.com/view.php?id=5428
The value of the parameter ldtype is incorrect when you visit an manufacturer-Article-List.
You get the correct value (grid, line ...) via getListDisplayType()
Merge pull request #73 from mariolorenz/b-dev-ce

see https://bugs.oxid-esales.com/view.php?id=5428