Interesting thread! I have not had the cabinets specifically but back in 2019 I was investigating an old farmhouse outside Bergen and every single door in the kitchen kept swinging open between roughly 2am and 4am. The owner had lived there 30 years and said it started quite suddenly after some renovation work, which is something I've read about before - that disturbing walls or floors can trigger activity.
The 3am timing is worth noting. A lot of people report that window for disturbances and I'd be curious whether yours started suddenly or built up gradually. Also has anything else changed in the house recently? New furniture, building work, anyone going through a stressful period? I ask because from what I've read poltergeist activity does seem to cluster around certain people or life events, not just locations.
Have you managed to catch anything on camera or audio yet?