FEAT #13679 TIME 3 continue refactoring notification scripts

install/class/Class_Install.php

install/scripts/testSmtp.php

modules/notifications/batch/basket_event_stack.php

modules/notifications/batch/config/config.xml.default

modules/notifications/batch/load_basket_event_stack.php

modules/notifications/batch/load_process_email_stack.php

modules/notifications/batch/load_process_event_stack.php

modules/notifications/batch/load_stack_letterbox_alerts.php

modules/notifications/batch/process_event_stack.php

...notifications/class/diffusion_type_controler_Abstract.php

modules/templates/datasources/letterbox_events.php

modules/templates/datasources/mlb_notes_content.php

modules/templates/datasources/notif_events.php

sql/data_fr.sql

src/app/group/models/PrivilegeModelAbstract.php

...app/notification/controllers/DiffusionTypesController.php

src/app/notification/controllers/NotificationController.php

src/app/notification/models/NotificationModelAbstract.php