erp5_accounting_l10n_fr: FEC Report: Allow to group by ledger or ledger+portal_type in addition as per portal_type (the default).

This required refactoring the source files as the implementation was
portal_type-centric. This adds a dedicated Python Script with ProxyRole=Manager
to create Active Processes and thus avoid executing code as Manager as much as
possible.

erp5_accounting_l10n_fr: Depend on erp5_deferred_style (FEC Report calls ERP5Site_notifyReportComplete).

officejs/gantt: display manufacturing orders on gantt of production and make dhtmlx gantt supporting colors

/reviewed-on nexedi/erp5!640

No need to display the date time on module view.

[erp5_core] Proxy Field dependency withi the same business template and does not conflict in selection_name

- documents ids are generated using node id to avoid conflicts in tests with several nodes

sound uses document_publication_workflow

- include duplicate (same path)
- escape path with respect to LIKE, both for correctness (although it's
  unlikely to make a difference in practice) and performance (efficient use
  of 'path' index)

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