This makes less code to customize in GroupCalendarAssignment

Calendar Assignments are now handled in a separate module, update
code in consequence

Not only returns start and stop dates, but also quantity defined
on presence periods. This make it possible to set 3 hours availability
in a time range of 10 hours.

When a Group Calendar or a Group Presence Period is updated, it's necessary
to update related Group Assignment stock catalog data since values are dependent.

This allows to define specific security setting and workflow for Group Calendar Assignments. Before
they were inside Group Calendars. Now a Group Calendar Assignment use the specialise Base
Category to specify the corresponding Group Calendar.

Improve sql query to consider only accountable lines and get the avaibility with many nodes in the same query

Move changes on asMovementList method from PresencePeriod to GroupCalendarAssignment to keep Leave Period working as Expected.

This reverts commit cbf5d46e3c1d3e76c6a5376e08617851ce03773c.

remove the calendar base category on Assignment portal type because the relation between Assignment and Group Calendar is obsolete

Add Group Calendar Assignment portal type. It will be used to set the relation with the source and the period

also make redirection stay on website

erp5_ingestion: Improve publication_section field in Base_viewNewFileDialog to be possible pass a default value to the field

The category uid should be passed to the query. With this, is possible generate queries like stock.project_uid is NULL.

This script is intended to replace Base_getCurrencyForSection and support
properly the case where there are more than one currency.
Start using it in accounting module view and grouping reference dialog.