fix: DTOSS-11698 updated the shared data service handler so DELETE works with GUID keys#1776

SamAinsworth-NHS merged 3 commits intomainNHSDigital/dtos-cohort-manager:mainfrom

Fix/playwright-tests-service-now-cases-guidNHSDigital/dtos-cohort-manager:Fix/playwright-tests-service-now-cases-guidCopy head branch name to clipboard