[SIGMON-202] fix for multiple executions

Context

• task: https://its.cern.ch/jira/browse/SIGMON-202
• lhc-sm-hwc mr: lhc-sm-hwc!39 (merged)

What was done

• 'marker parameter' created

TODO

• ?

QA

• no sonar yet
• code was unit tested
• acceptance tests were updated in lhc-sm-hwc.

Review objectives

• assessment of code functionality
• assessment of code quality
• identifying potential refactorings / logic common to other projects
• knowledge sharing