fix key error modules_mappings

Description

It seems that I merged the latest fix for the summary reports with a key error bug.

This is a hotfix for it on top of 3.2.3 tag.

How Has This Been Tested?

Locally:

xfel-calibrate agipd DARK \
--cal-db-interface tcp://max-exfl016:8015#8044 \
--concurrency-par karabo_da \
--karabo-da AGIPD00 AGIPD01 AGIPD02 AGIPD03 AGIPD04 \
AGIPD05 AGIPD06 AGIPD07 AGIPD08 AGIPD09 AGIPD10 \
AGIPD11 AGIPD12 AGIPD13 AGIPD14 AGIPD15 \
--receiver-id {}CH0 --karabo-id-control SPB_IRU_AGIPD1M1 \
 --karabo-da-control AGIPD1MCTRL00 \
--h5path-ctrl /CONTROL/{}/MDL/FPGA_COMP \
--mem-cells 0 --thresholds-offset-hard 0 0 \
--thresholds-offset-hard-hg 3500 6000 \
--thresholds-offset-hard-mg 3500 9000 \
--thresholds-offset-hard-lg 3500 9000 \
--in-folder /gpfs/exfel/exp/SPB/202130/p900188/raw \
--out-folder /gpfs/exfel/data/scratch/ahmedk/test/fixed_gain/SPB_summary_fix2 \
--karabo-id SPB_DET_AGIPD1M-1 \
--operation-mode ADAPTIVE_GAIN \
--run-high 302 --run-med 303 --run-low 304

AGIPDCharacterizeDarkImages.pdf

on xcal@max-exfl016: http://max-exfl016:8008//gpfs/exfel/d/cal/caldb_store/xfel/reports/SPB/SPB_DET_AGIPD1M-1/dark/dark_002932_r46_r47_r48_210412_122200.pdf

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 @kluyvert