feat: DTOSS-12284 send servicenow notification on error

[hardik-desai-nhs]

Description

send service now update when error processing manual add participant

Context

When a participant is manually added to the cohort, and hits a validation rule which prevents them from sending to BS Select. The Service now message going back to inform the user that the participant they have raised a manual add request for will not be sent to BS select because of some processing issue.

Type of changes

• Refactoring (non-breaking change)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would change existing functionality)
• Bug fix (non-breaking change which fixes an issue)

Checklist

• I am familiar with the contributing guidelines
• I have followed the code style of the project
• I have added tests to cover my changes
• I have updated the documentation accordingly
• This PR is a result of pair or mob programming

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Unit Test Results

✔️ Tests 1017 / 1017 - passed in 71s
📝 Coverage 47.11%
📏 4797 / 10482 lines covered 🌿 1175 / 2194 branches covered
🔍 click here for more details

✏️ updated for commit a1fee10

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[MWClayson-NHS]

This looks good so far, You are missing one component of this where if there is an exception in the ValidateParticipant Specifically - HandleValidationExceptions method i.e. the participant has failed the rules. This will also need to trigger a response to ServceNow.