are ok now. Order of list of fields in selection is same than in output
array.

do: Must fix the PDF to be compliant with a request quotation to a
supplier (so no need to show vat, unit price, ...).

Suppliers part of #2571

Fix missing value into list of time spent
Fix typo error into constant PROJECT_TIMES_SPENT_FORMAT
Fix sql error when updating time spent into updateTimeSpent
Fix supplier orders not visible into link to

Extrafield index on fk_object must be unique.