fix(api): exclude s51 attachments from redaction publishing validation (idas-525)#3113

cprieststephens wants to merge 1 commit intomainPlanning-Inspectorate/back-office:mainfrom

fix/idas-525-s51-attachments-not-publishing-in-foPlanning-Inspectorate/back-office:fix/idas-525-s51-attachments-not-publishing-in-foCopy head branch name to clipboard