Unale to click back button when moving document

• Type: Bug
• Status: Verified
• Resolution: Unresolved
• Affects Version/s: 7.0.X, 7.1.X
• Fix Version/s: 7.2.X
• Component/s: Frontend Infrastructure
• Labels:
  • ee-7.0.x-only
  • ee-7.1.x-only
  • ee-7.2.x-only
• Fix Priority: 2
• Sprint: 026 - Raichu

Steps to reproduce:

1. Add DM portlet in one page
2. Add a document
3. Move this document to a new folder by clicking Add Folder in Select Folder page
4. Click the back button near New Folder

Expected Result:
Able to click back button.

Actual Result:
Unable to the back button, because the tip message covers.