fix recreate image failed error when too many images

app/controllers/admin/galleries_controller.rb

@@ -216,7 +216,9 @@ class Admin::GalleriesController < OrbitAdminController
         albums.each{|album| count+=album.album_images.count }
         Thread.new do
           i = 0
-                albums.each do |album|
+          album_ids = albums.map{|v| v.id}.clone
+          album_ids.each do |album_id|
+            album = Album.find(album_id) rescue Album.new()
             album.album_images.each do |image|
               error = nil
               all_version = image.file.versions.map{|k,v| k}