FIX: Add "creating calibration_constant_version" to the check for the already taken ccv error

This is related to the 1st point at https://git.xfel.eu/calibration/planning/-/issues/115

Description

Add creating calibration_constant_version string to the check for

Error creating calibration_constant_version >> {'calibration_constant_id': \['has already been taken'\], 'physical_detector_unit_id': \['has already been taken'\], 'begin_at': \['has already been taken'\]

This is to separate it from Error creating calibration report error which was faced on the mentioned issue https://git.xfel.eu/calibration/planning/-/issues/115.

How Has This Been Tested?

It haven't been tested, yet....

Relevant Documents (optional)

Types of changes

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

Checklist:

• Tested

Reviewers

@calibration