fix(organizations): reconcile stale demo source links

tests/apps/organizations/test_test_companies_commands.py

@@ -216,6 +216,34 @@ class TestCompaniesCommandsTest(TestCase):
         )
         self.assertEqual(OrganizationSourceRecord.objects.count(), 20 * 15)
 
+    def test_create_replaces_stale_source_record_for_same_legacy_row(self):
+        call_command("create_test_companies", stdout=StringIO())
+
+        company = Organization.objects.get(name="Тестовая компания 1")
+        stale_record = OrganizationSourceRecord.objects.get(
+            extension__organization=company,
+            source=ParserLoadLog.Source.PROCUREMENTS,
+        )
+        stale_record.external_id = "0373200000000000001"
+        stale_record.save(update_fields=["external_id"])
+
+        call_command("create_test_companies", stdout=StringIO())
+
+        canonical_record = OrganizationSourceRecord.objects.get(
+            extension__organization=company,
+            source=ParserLoadLog.Source.PROCUREMENTS,
+        )
+        self.assertEqual(
+            canonical_record.external_id,
+            f"{TEST_RECORD_PREFIX}:01:{ParserLoadLog.Source.PROCUREMENTS}",
+        )
+        self.assertEqual(
+            canonical_record.legacy_pk,
+            str(
+                ProcurementRecord.objects.get(purchase_number="0373200000000000001").pk
+            ),
+        )
+
     @override_settings(STATE_CORP_EXCHANGE_TOKEN=TEST_EXCHANGE_TOKEN)
     def test_created_source_records_are_included_in_state_corp_package(self):
         call_command("create_test_companies", stdout=StringIO())