FEAT #11691 TIME 0:45 refactoring attachments

...maarch_entreprise/actions/sendToExternalSignatureBook.php

migration/19.12/1912-postScript.sql

migration/19.12/1912.sql

modules/attachments/attachments_content.php

modules/attachments/class/attachments_controler_Abstract.php

modules/attachments/del_attachment.php

modules/attachments/fill_input.php

...es/sendmail/Controllers/SendMessageExchangeController.php

modules/visa/batch/batch_tools.php

modules/visa/batch/process_mailsFromSignatoryBook.php

modules/visa/class/FastParapheurController.php

modules/visa/class/IParapheurController.php

modules/visa/class/IxbusController.php

modules/visa/generatePdf.php

src/app/action/controllers/ExternalSignatoryBookTrait.php

src/app/action/controllers/PreProcessActionController.php

src/app/action/controllers/ShippingTrait.php

src/app/attachment/controllers/AttachmentController.php

src/app/convert/controllers/ConvertPdfController.php

...alSignatoryBook/controllers/MaarchParapheurController.php