Bug 36608: Adjust TO_PROCESS and AVAILABLE to use TT

Bug 36608: Adjust TO_PROCESS and AVAILABLE to use TT

To test:
1. Apply patch
2. reset_all (or start your testing environment in the first place)
3. Go to "my account", and enter a Primary email
4. Under Administration > Libraries, enter an email address for at least
   one library
5. Add the demo user (koha) as the owner of the Main Fund
    a) Go to the Acquisitions module
    b) Click on Main Fund
    c) Click the Actions button at the end of Main Fund row > click Edit
    d) Click "Select owner"
    e) Search for "koha"
    f) Click the Select button
    g) Click Submit
6. Click "Suggestions" on the left side of the page, and click "New
   purchase suggestion"
7. Fill in values for, at minimum:
    Bibliographic information:
        Title
        Author
    Acquisition information:
        Library (set to the library you entered an email for in step 4)
        Fund (set to Main Fund)
9. Submit the suggestion
10. Run the cron job to generate TO_PROCESS notification email:
misc/cronjobs/notice_unprocessed_suggestions.pl -v -c --days=0
11. Set the new suggestion to "Accepted"
    a) Check the checkbox next to the new suggestion
    b) Below the table, set "Mark selected as" drop-down to "Accepted"
    c) Click Submit
12. Create an order from the purchase suggestion
    a) Return to the Acquisitions homepage
    b) Leave the Vendor field blank and click Search
    c) Next to the sample basket (My Basket), click "Add to basket"
    d) Click "From a suggestion"
    e) Click "+ Order" next to the suggestion
    f) Make sure there are values for all required item fields
    g) Click "Add item"
    h) Click Save
13. Close the basket and receive the order
    a) Click "Close basket" and click "Yes, close"
    b) Click "Receive shipments"
    c) Enter a number in "Vendor invoice" and click Next
    d) Check the checkbox next to "My Basket" and click "Receive
       selected" button
    e) Check the checkbox under "Receive?" in the Items table
    f) Click Confirm
14. Return to "my account" and open the Notices tab
--> There should be (among others) notices for "A suggestion is ready to
    be processed" and "Suggested purchase available"
15. Open each of the above two notices, and confirm all the information
    was filled in correctly

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