FEAT #8391 improve return error send to maarchParapheur

...maarch_entreprise/actions/sendToExternalSignatureBook.php

src/app/action/controllers/ExternalSignatoryBookTrait.php

src/app/action/controllers/PreProcessActionController.php

...alSignatoryBook/controllers/MaarchParapheurController.php

...action/send-external-signatory-book-action.component.html

...k-action/send-external-signatory-book-action.component.ts

src/frontend/lang/lang-en.ts

src/frontend/lang/lang-fr.ts

src/frontend/lang/lang-nl.ts