Steps to reproduce the issue

There is a malfunction at Menu Media of latest Joomla version. We have very much files and when click over this menu option, the list run very and very slow. Very slowly.

Expected result

The list files should be very fast. At the first step only it should list the first level and not all hyerarchie levels of main folder.

Actual result

The list of files of the folder media its very slowly

System information (as much as possible)

Nothing... tic tac, tic tac...

Additional comments