Bug: importing a custom set xml with a dual faced layout fails

[ebbit1q]

Webpage: www.dr4ft.info

Browser: Mozilla Firefox 100.0

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Background Information

commit ddd3a39

Detailed Description

uploading a custom set with a layout property that matches /^modal_dfc$|^doublefaced$|^transform$|^flip$|^meld$/i will fail with the message "cannot find scryfallId"
see /backend/import/toBoosterCard.js:76

Further Information

minimal example:

<?xml version="1.0" encoding="UTF-8"?>                                          
<cockatrice_carddatabase version="4">
  <sets>
    <set>
      <name>X</name>
    </set>
  </sets>
  <cards>
    <card>
      <name>TEST CARD PLEASE IGNORE 4</name>
      <set rarity="common">X</set>
      <prop>
        <layout>transform</layout>
      </prop>
    </card>
  </cards>
</cockatrice_carddatabase>