World seems visually partially broken in gazebo upon launching the simulation

This issue was already detected in the KRR course edition 24-25 and discussed with @ArendJan 

Sometimes, upon launching the gazebo simulation, some elements are visually displaced, but they are correctly located in terms of collision geometries.

<img width="1688" height="704" alt="Image" src="https://github.com/user-attachments/assets/72b089a3-6ec3-47aa-979a-1952bd17a32e" />

