Don't clear the clipboard after pasting into album.

Sometimes I want to do more operations.

frontends/etiquette_flask/templates/album.html

@@ -146,7 +146,6 @@ function _paste_unpaste_photo_clipboard(add_or_remove)
         {
             return;
         }
-        photo_clipboard.clear();
         save_photo_clipboard();
         location.reload();
     };