Bug 24277: Fix date received editing when receiving an order

Bug 24277: Fix date received editing when receiving an order

Bug 8417 added the ability to edit the date received, but a merge
conflict was wrongly resolved during a rebase of
  commit 20d9ed618fbe3cdcb9c04444a1f8a584b0364069
  Bug 13321: Rename variables

Test plan:
Create an order
Receive it
Set a date (different from today)
=> The date you picked should have been set in DB for the order

Signed-off-by: Andrew Fuerste-Henry <andrew@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>