The channel cross area sensitivities do not align with the FD.

[AntoniaBerger]

Expected behavior: When testing the newly added channel cross-area sensitivities, the AD (CADET-Core) solution does not align with the FD solution in Python.

Steps to reproduce the problem:
@hannahlanzrath Maybe you can add your Python test script.

[hannahlanzrath]

Sensitivitites for the CROSS_SECTION_AREAS does not match exptected FD solution on current master branch:

Jac entry wise SEM vs FD:

SEM vs FD at half column position:

Shape SEM:

Python Script to reproduce Figure: Sens_CSA_MRE.py

H5 File to model configuration: sens_cross_section_area.zip