[Gotthard2][Dark] Sort dark runs

Description

Sort dark runs for Gotthard2 by checking RUN/.../settings

This addresses GH2 part of this issue: https://git.xfel.eu/calibration/planning/-/issues/192

How Has This Been Tested?

Relevant Documents (optional)

gh2_sort_darks_fxe.pdf

gh2_sort_darks_hirex.pdf

Types of changes

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

Checklist:

• I added tests where appropriate. Can't be used now because of permissions

Reviewers

@schmidtp @kluyvert