FIX #6100 change some icons

apps/maarch_entreprise/Views/signature-book.component.html

apps/maarch_entreprise/actions/process.php

apps/maarch_entreprise/actions/validate_mail.php

apps/maarch_entreprise/indexing_searching/details.php

apps/maarch_entreprise/template/documents_list_copies.html

...maarch_entreprise/template/documents_list_search_adv.html

..._entreprise/template/documents_list_with_attachments.html

modules/avis/template/documents_list_with_avis.html

modules/visa/template/documents_list_with_signatory.html