Breadcrumb is missing in document media display portlet when changing root folder.
Steps to reproduce:
1. Add folder 'test 1' in Document and Media.
2. Add sub-folder 'test 2' into folder 'test 1'.
3. Add Document and Media display portlet in page.
4. Go to configuration popup window of Document and Media display portlet. And choose 'Test 2' as root folder.
Observed: We can see folder path here in this page.
5. Save the configuration and close the pop-up window.
6. Refresh the page.
7. Go to configuration popup window of Document and Media display portlet.-> Click 'Select' under 'Root folder'.
Breadcrumb is shown.
Breadcrumb is not there.