drag marker create another marker

[mrsalar1995]

https://github.com/user-attachments/assets/4b158080-c561-4892-bd4e-3794683f61da
When drag a marker to a point, another marker is created. This happens sometimes.

[ibrierley]

Hard to say from that. It looks a bit like you are using line editor, but its not refreshing or something. I think you'd need to post a minimal example to try and reproduce it.