Bpost delivery labels can now be printed separately for each package in a picking. This helps businesses handle multi-package shipments more accurately, while items not assigned to a package are grouped together as one package.

Print label for each package in the picking. Move lines without package
are assumed to belong to the same package.

TASK-ID: 1974671

The wording in Argentine localization features was updated from “Argentinian” to “Argentinean” for consistency across reports, EDI, permissions, and translations. This is a minor terminology improvement that helps keep product language aligned and consistent for users working with Argentina-specific functionality.

### Task 326
Change all references of "Argentinian" with "Argentinean".

The salary contract area now shows a clearer empty-state message with a visual indicator when there is no content to display. This helps users understand what is happening and reduces confusion on an otherwise blank screen.

Before this commit, the helper was not clear and no icon/face was shown.

taskid: 2329460