Media Selector: Media Selector dialog is not closed when Edit Approval Sequence

Description

Steps to reproduce:

1. Open the Media Selector dialog box.
2. In the dialog box, open the context menu of a folder, and then select Edit Approval Sequence.

Expected result: 

The Media Selector dialog box is closed and it redirects to the approval setting page of the folder. 

Actual result: 

It redirects to the approval setting page of the folder but the Media Selector dialog box is not closed.