cards: do not disable card after duplication (#35934)

tests/test_admin_pages.py

@@ -5194,3 +5194,11 @@ def test_cards_new(pub, studio):
     assert '<h2>card title' in resp.body
     assert CardDef.get(1).workflow_id is None
     assert CardDef.get(1).disabled is False
+
+def test_cards_duplicate(pub, studio):
+    test_cards_new(pub, studio)
+    app = login(get_app(pub))
+    resp = app.get('http://example.net/backoffice/cards/1/')
+    resp = resp.click('Duplicate')
+    assert CardDef.get(2).name == 'card title (copy)'
+    assert CardDef.get(2).disabled is False

wcs/backoffice/cards.py

@@ -179,6 +179,12 @@ class CardDefPage(FormDefPage):
         r += htmltext('</div>')
         return r.getvalue()
 
+    def duplicate(self):
+        response = super(CardDefPage, self).duplicate()
+        self.formdefui.formdef.disabled = False
+        self.formdefui.formdef.store()
+        return response
+
     def get_sidebar(self):
         r = TemplateIO(html=True)
         r += htmltext('<ul id="sidebar-actions">')