Bug: LaTeX stacked bar plots are exported with incorrect axes

In stacked plot figures, data on the x axis is inverted, creating incorrect figures. 

The figure 

<img width="1220" height="453" alt="Image" src="https://github.com/user-attachments/assets/724b8368-c4b3-47be-bb78-4238a5cd4aa9" />

Produces 

<img width="585" height="341" alt="Image" src="https://github.com/user-attachments/assets/c87e3da5-16b3-4561-833b-d6232d7cf5c3" />

Check other figures too. 