[BugFix] Handle error when sub doesn't exist in check-cbsensor

[singhgss]

Overview/Summary

This Pull Request addresses an error occurring in the main.ps1 runbook, specifically related to the execution of the Check-CBSSensors module. The error was caused by an issue with setting the "Comments" property, which was not found on the object.

This PR fixes/adds/changes/removes

1. Bug Fix: Corrected the issue in the Check-CBSSensors module where the "Comments" property was not found, causing a failure in the runbook execution.
   Fixes v2.1.0: Error in the main.ps1 runbook #221

Breaking Changes

1. None

Testing Evidence

The fix was tested by running the main.ps1 runbook after applying the changes. The runbook successfully executed the Check-CBSSensors module without errors related to the missing "Comments" property.

As part of this Pull Request I have

• Checked for duplicate Pull Requests
• Associated it with relevant GitHub Issues
• Ensured my code/branch is up-to-date with the latest changes in the main branch
• Performed testing and provided evidence.
• Updated relevant and associated documentation.
• Ensured PowerShell module versions have been updated (manually or with the ./tools/Update-ModuleVersions.ps1 script).