file upload fix

lib/tasks/universal_table_tasks.rake

@@ -128,15 +128,15 @@ namespace :universal_table_tasks do
           site_locales.each_with_index do |locale, locale_idx|
             file_titles[locale.to_s] = row[col_idx + locale_idx + 1]&.value.to_s.split(";").map(&:strip)
           end
-          ce.column_entry_files.destroy_all
-          ce.column_entry_files = []
+          # ce.column_entry_files.destroy_all
+          # ce.column_entry_files = []
+          cef_ids = ce.column_entry_files.pluck(:id)
 
           file_urls.each_with_index do |remote_url, file_idx|
             if remote_url.blank?
               skip = site_locales.size
             end
             next if remote_url.blank?
-            debugger
             file = ColumnEntryFile.new
             file.remote_file_url = remote_url
             titles = {}
@@ -147,6 +147,7 @@ namespace :universal_table_tasks do
             file.save!
             ce.column_entry_files << file
           end
+          ColumnEntryFile.where(:id.in => cef_ids).destroy_all
 
         when "date"
           ce.date = val