Add recycle bin support for comments with utility and tests

Author: rohnsha0

src/plone/app/discussion/browser/moderation.py

@@ -433,4 +433,4 @@ def get_comment_and_all_replies(comment, conversation):
             # Recursively get this reply and its replies
             result.extend(get_comment_and_all_replies(reply, conversation))
 
-    return result
+    return result

src/plone/app/discussion/configure.zcml

@@ -183,4 +183,10 @@
       handler=".events.auto_approve_comments"
       />
 
+  <!-- Comment RecycleBin Support Utility -->
+  <utility
+      factory=".recyclebin.CommentRecycleBinSupport"
+      provides=".recyclebin.ICommentRecycleBinSupport"
+      />
+
 </configure>