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/delivery/delivery/finder.py

@@ -8,7 +8,7 @@ import os
 import pathlib
 from typing import Iterator
 
-from .products import ExecutionBlock, SpooledProduct
+from .products import ExecutionBlock, SpooledProduct, CalibratedMS
 
 
 class ProductFinder(abc.ABC):
@@ -46,5 +46,7 @@ class HeuristicProductFinder(ProductFinder):
         :return: List of products
         """
         for subdir in self.path.glob("*"):
-            if subdir.is_dir() and not subdir.name.startswith("tmp"):
+            if subdir.is_dir() and subdir.name.endswith(".ms"):
+                yield CalibratedMS(subdir)
+            elif subdir.is_dir() and not subdir.name.startswith("tmp"):
                 yield ExecutionBlock(subdir)