CCM-12183 Component test for letter PDF#367

Namitha-Prabhu merged 2 commits intomainNHSDigital/nhs-notify-supplier-api:mainfrom

feature/CCM-12183-geLetterPDFNHSDigital/nhs-notify-supplier-api:feature/CCM-12183-geLetterPDFCopy head branch name to clipboard