FIX: If a user deletes a hidden post, it should not lose history

lib/post_destroyer.rb

@@ -179,7 +179,8 @@ class PostDestroyer
       key = @post.is_first_post? ? 'js.topic.deleted_by_author' : 'js.post.deleted_by_author'
       @post.revise(@user,
         { raw: I18n.t(key, count: delete_removed_posts_after) },
-        force_new_version: true
+        force_new_version: true,
+        deleting_post: true
       )
 
       Post.transaction do

lib/post_revisor.rb

@@ -407,6 +407,7 @@ class PostRevisor
   end
 
   def remove_flags_and_unhide_post
+    return if @opts[:deleting_post]
     return unless editing_a_flagged_and_hidden_post?
 
     flaggers = []