The commercial use (e.g. sale, rental) is prohibited according to your cited text.
The manufacture, import, distribution, sale, rental, advertising with a view to sale or rental and the possession for commercial purposes of devices, products or components as well as the provision of services which: […]
And while the LG Köln (Cologne) sided with the copyright owner of the wallpaper, other LGs and the OLG Düsseldorf - a higher court - said otherwise:
Abbildung einer Fototapete im Netz ist keine Urheberrechtsverletzung (2024-02-29, in German)
But the copyright owner is appealing that decision and the BGH - the highest court - has to decide.
Urheberrecht: Foto von Fototapete landet beim Bundesgerichtshof (2024-03-07, in German)
And this is just absurd:
The case I ZR 140/23 is really meta: A woman posted a screenshot of a website of a tennis center online; the documented website also contains a photograph of the guest room of the tennis center, whose wall is (in)decorated with a photo wallpaper on which a picture motif is reproduced to which the photographer claims rights via his company registered in Canada.
Ever considered DietPi?!