fix: updating map state to use ItemSelector instead of parameters for CheckImageIntegrity

Author: sliedig

Unicorn.Properties/StateMachine/PropertyApproval.asl.yaml

@@ -28,8 +28,6 @@ States:
 
   CheckImageIntegrity:
     Type: Map
-    Parameters:
-      ImageName.$: "$$.Map.Item.Value"
     Iterator:
       StartAt: CheckForUnsafeContentInImages
       States:
@@ -47,6 +45,8 @@ States:
       Loop through all the images for the property and ensure they don't have
       unsafe content.
     ItemsPath: "$.detail.images"
+    ItemSelector:
+      ImageName.$: "$$.Map.Item.Value"
     ResultPath: "$.ImageModerations"
 
   CheckDescriptionSentiment: