BUG - Trains File does not load up when opening an existing project

[AhmedAredah]

Describe the bug
The trains file does not load when opening an existing project. The trains file contains data but it does not show the saved trains on the GUI.

To Reproduce
Steps to reproduce the behavior:

1. Create trains with locos and wagons on the GUI
2. Save the trains file
3. Save the simulation project
4. Close the simulator
5. Reopen the simulator and try to load the project (NTS) file
6. the trains definition does not load

Desktop (please complete the following information):

• OS: windows 11
• NeTrainSim V0.1.2