Set fault relations not picking up changes:

[NilsChudalla]

Describe the bug
When setting the fault relations with a relative matrix, changes are not picked up.

To Reproduce
Run examples>tutorials>ch1_5_fault_relations.py:
...

Expected behavior
Set the offset for faults as described in rel_matrix

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: windows
• GemPy Version
  • if installed via pip: provide GemPy version 2025.2.0

Additional context
installed by pip install gempy[opt] in python 3.13