Select +Replies for bulk operations

app/controllers/posts_controller.rb

@@ -150,10 +150,11 @@ class PostsController < ApplicationController
 
     params.require(:post_ids)
 
-    posts = Post.where(id: params[:post_ids])
+    posts = Post.where(id: post_ids_including_replies)
     raise Discourse::InvalidParameters.new(:post_ids) if posts.blank?
 
     # Make sure we can delete the posts
+
     posts.each {|p| guardian.ensure_can_delete!(p) }
 
     Post.transaction do