[AGIPD][Dark] Fix: Skip corrupted frame from dark processing

Description

This is a fix for https://git.xfel.eu/calibration/pycalibration/-/issues/71

Raise ValueError if an invalid cell is found. An invalid cell is a cell that is out of acceptable cell range for the corrected RAW data. > Detector number of memory cells

How Has This Been Tested?

Running the notebook on the failing run.

Relevant Documents (optional)

Types of changes

• New feature (non-breaking change which adds functionality)

Checklist:

Reviewers

@schmidtp @kluyvert