cards: display first history step with agent name (#39667)

tests/test_backoffice_pages.py

@@ -5516,6 +5516,13 @@ def test_carddata_management(pub, studio):
     assert 'Edit Card' in resp.text
     assert 'Delete Card' in resp.text
 
+    carddata = carddef.data_class().select()[0]
+    assert carddata.data == {'1': 'ok', '2': 'blah'}
+    assert carddata.user_id is None
+    assert carddata.submission_context == {'agent_id': user.id}
+    assert carddata.evolution[0].who == str(user.id)
+    assert 'Original Submitter' not in resp.text
+
     resp = app.get('/backoffice/data/')
     resp = resp.click('foo')
     assert resp.text.count('<tr') == 2  # header + row of data

wcs/carddata.py

@@ -47,3 +47,11 @@ class CardData(FormData):
 
     def get_display_label(self):
         return self.digest or self.get_display_name()
+
+    def get_author_qualification(self):
+        return None
+
+    def just_created(self):
+        super(CardData, self).just_created()
+        if self.submission_context and 'agent_id' in self.submission_context:
+            self.evolution[0].who = self.submission_context['agent_id']