Bug 33171: Fix missing price when mapped from MarcItemFieldsToOrder

Bug 33171: Fix missing price when mapped from MarcItemFieldsToOrder

This patch fixes an issue where the price is not passed to the UI when read from MarcItemFieldsToOrder.

Test plan:
1) In Administration, copy and paste the following into MarcItemFieldsToOrder:
quantity: 975$q
budget_code: 975$h
price: 975$p
itype: 975$y
coded_location_qualifier: 975$a
barcode: 975$b
enumchron: 975$c
2) Save
3) Navigate to Acquisitions and find a basket
4) Click Add to basket and select From a new file
5) Choose the file attached to this bug
6) Upload file and click Stage for import
7) Click Add staged files to basket once the job is finished
8) Check the box next to the record
9) The price should show 10.00 under Item record 1
10) coded location qualifier, barcode, enumchron should also have values as per the other commit on this bug
11) Save and import, the basket should not have a value of 0 as the price has been read correctly
12) Check the database, the newest item should have values for price, coded_location_qualifier, barcode and enumchron

Signed-off-by: Matt Blenkinsop <matt.blenkinsop@ptfs-europe.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>