Fix GET /api/projects/:identifier/remix/identifier returns 404 during a valid student remix flow#792

abcampo-iry merged 2 commits intomainRaspberryPiFoundation/editor-api:mainfrom

issues/1289-solve-valid-cases-for-remix-identifierRaspberryPiFoundation/editor-api:issues/1289-solve-valid-cases-for-remix-identifierCopy head branch name to clipboard