few improvements

Author: gewarren

.github/policies/disallow-edits.yml

@@ -44,7 +44,12 @@ configuration:
               then:
                   - addReply:
                         reply: >-
-                            Hello @${issueAuthor},
-
-                            This PR will be closed because it edits files whose 'source of truth' is not in this repo. Instead, please make these documentation updates in the /// comments in the source repo (either dotnet/runtime or dotnet/extensions).
-                  - closePullRequest
+                            This PR edits files whose 'source of truth' for documentation is not in this repo. If you're editing the documentation, please make these updates in the /// comments in the source repo (either dotnet/runtime or dotnet/extensions) instead.
+                  - if:
+                        - not:
+                              - or:
+                                    - activitySenderHasPermission:
+                                          permission: write
+                                    - activitySenderHasPermission:
+                                          permission: admin
+                        - closePullRequest