Delivery date

The "delivery date" field is not correctly displayed nor updated after a choice made in Customer / default parameter.

For instance, if "present date" is selected, the information is correctly found on the invoice displayed in PDF. If the "delivery date" field is then set to "none" or "last day of the past month", the information (field and present date) is still present on the invoice displayed in PDF.

remark: it could be interested to have the possibility to set the date one's want.