feat: add file_result to File Hosting Activity

This addresses use-cases where the the activity was an Update but
the changes were unable to be captured such as a new file.owner,
file.size, file.name, etc.

CHANGELOG.md

@@ -62,6 +62,7 @@ Thankyou! -->
     7. Added a `Preauth` `activity_id` to the `Authentication` class. #1018
     8. Added the `Security Control` profile to the `Datastore Activity` class. #1030
     9. Added `risk_details` to Detection Finding. #1032
+    10. Added `file_results` to File Hosting Activity #1045
 
 * #### Profiles
 * #### Objects 

events/application/file_hosting.json

@@ -97,10 +97,15 @@
       "group": "primary",
       "requirement": "required"
     },
+    "file_result": {
+      "description": "The resulting file object when the activity was allowed and successful.",
+      "group": "context",
+      "requirement": "optional"
+    },
     "src_endpoint": {
       "description": "The endpoint that performed the activity on the target file.",
       "group": "primary",
       "requirement": "required"
     }
   }
-}
+}