Wiki - Back button does not appear in portlet when uploading attachments.

• Type: Regression Bug
• Status: Closed
• Resolution: Duplicate
• Affects Version/s: 6.1.30 EE GA3, 6.1.X EE
• Fix Version/s: 6.2.0 CE M3
• Component/s: Wiki, ~ [Archived] Collaboration
• Labels: None
• Environment:
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  Tomcat 7.0 + MySQL 5. Portal ee-6.1.30 GIT ID: 009a56d4f746338e50b49eb6c4e944eefdb96720.; Tomcat 7.0 + MySQL 5. Portal 6.1.x EE GIT ID: e565346afd32e4dc68016a8648c32805fb28b21e.; Tomcat 7.0 + MySQL 5. Portal 6.2.x GIT ID: 2eef83e87a43728187fed96a978f8b0dd9698164.

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  Tomcat 7.0 + MySQL 5. Portal ee-6.1.30 GIT ID: 009a56d4f746338e50b49eb6c4e944eefdb96720. Tomcat 7.0 + MySQL 5. Portal 6.1.x EE GIT ID: e565346afd32e4dc68016a8648c32805fb28b21e. Tomcat 7.0 + MySQL 5. Portal 6.2.x GIT ID: 2eef83e87a43728187fed96a978f8b0dd9698164.
• Fix Priority: 3
• Git Pull Request: https://github.com/dustinryerson/liferay-portal-ee/pull/171

1. Add Wiki Portlet
2. Click "This page is empty. Edit it to add some text."
3. Add text
4. Click Publish
5. Click "0 Attachments"

Expected result:
Back button should appear on right side of portlet.

Actual result:
Back button is missing.