[AGIPD][PC][FF] FIX/Update pc and ff notebooks with new calcat mapping

Description

This Merge request consists of changes to SlopesPC and SlopesFF notebooks for related to injecting the constants to the database.

I have updated them based on the latest CALCAT mapping functions.

How Has This Been Tested?

xfel-calibrate AGIPD PC \
--in-folder /gpfs/exfel/exp/SPB/202130/p900188/raw/ \
--out-folder /gpfs/exfel/data/scratch/ahmedk/test/PC/202cells0.5MHz_gs0 \
--runs 294-302 --n-sequences 5 \
--gain-setting 0 \
--slurm-mem 750 \
--db-output \
--cal-db-interface tcp://max-exfl017:8020 \
--modules 0-2

This was tested by @jsztuk by injecting new SlopesPC and SlopesFF constants.

Relevant Documents (optional)

Types of changes

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• My code follows the code style of this project.

Reviewers

@calibration