WS-551: fix delivery to support restores

• implements CMS delivery
• makes workflow service stop changing request state on receipt of 'delivery' message
• misc. fixes

apps/cli/executables/pexable/vela/test/test_forger.py

@@ -64,9 +64,9 @@ class TestVelaProduct:
     def test_forge_measurement_set(self, mock_chdir, mock_mkdir):
         with patch("builtins.open", mock_open()) as o:
             VelaProduct("test.json").forge_measurement_set(sdm_id="brain_001.58099.678886747686")
-            assert o.call_count == 5
+            assert o.call_count == 10
             handle = o()
-            assert handle.write.call_count == 5
+            assert handle.write.call_count == 10
 
             assert mock_mkdir.call_count == 6
             assert mock_chdir.call_count == 2