Bug 11471: Display the currency for baskets in a basketgroup

On editing a basketgroup, the currency for baskets in a basketgroup is
always '0'.

With this patch, the currency is correctly displayed.

TEST PLAN
=========
 1) Log into staff client
 2) Acquisitions
 3) Click 'Search' in the 'Manage orders' box
 4) Click '+ New basket' because a vendor name
 5) Type 'Test Basket' into basket name
 6) Click 'Save'
 7) Click 'Add to basket'
 8) Click 'From an external source'
 9) Type 'Green Eggs and Ham' into the Title text box
10) Click 'Search'
11) Click 'Order' on any one of the results
12) Click 'Add Item' in the 'Item' box
13) Select a Fund from the dropdown in the
     'Accounting details' box
14) Click 'Save'
15) Click 'Close the basket'
16) Click 'Yes, close (Y)' without checking attach to a
     basket group
17) Click the 'Basket groups' tab
18) Click '+ New basket group'
19) Notice the listing in the 'Ungrouped baskets'.
20) Drag and drop the entry into the 'Baskets in this group'
     text area
21) Click 'Save'
22) Click 'Edit'
23) Notice it displays incorrectly. (e.g. Total: 0 0)
24) Apply the patch (git bz apply 11471)
25) Refresh the page
26) Notice it displays the currency correctly. (e.g. Total: 0 USD)
    NOTE: If there is a space issue, see Bug 9654.
          This can be applied separately from that bug.
27) Run the Koha QA Tool: (~/qa-test-tools/koha-qa.pl -v 2 -c 1)

Signed-off-by: Mark Tompsett <mtompset@hotmail.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>