Clicking an item in "Your Pending Items" in the dashboard results in a page inside a page

Steps to reproduce

Setup - Create editor user
1. Log in as admin in admin
2. Click "User accounts" in top menu
3. Click "Editors" link
4. Click "Create here" button
5. Enter form data:
First name: Editor_tc182
Last name : Editor_tc182
Username : Editor_tc182
Password : Editor_tc182
Confirm password : Editor_tc182
Email: tc182@test.com
6. Click "Send for publishing button"

Setup - Create workflow
1. Click "Setup" tab in top menu
2. Click "Workflows" link on left menu
3. Click "New Workflow Group" button
4. Enter Data
Name: Group Workflow tc_182
5. Press "OK" button
6. On "Workflow Groups", click on "Group Workflow tc_182"
7. On Workflows group, press "New workflow" button
8. Enter Data
Name: Workflow tc_182
9. On events combo box, choose "Event / Approve"
10. Press "Add Event" button
11. On "Users who approve content" press "Add users" button
12. Click on " Administrator User" link
13. Check the user Administrator User
14. Press "OK" button on the bottom of the page
15. Press "Triggers" link on left side menu
16. For Module "Content", Function "Publish", Connection Type "Before" choose the workflow "tc_182" on Workflow combo box
17. Press "Apply changes" button
18. Logout

Create 1 article as Editor_tc182
1. Enter Ez Publish as Editor_tc182
2. Press "Content Structure" tab on top menu
3. On "Sub Items" group, choose "article" from the combo box and press "Create here" button
4. Create article1 with data:
Title: Article1
Intro: Intro for Article1
5. Press "Send for Publishing button"

Check "Your Pending Items" information
1. Press the "Dashboard" tab on the top menu
2. Press on the "Article 1" link on the "Your Pending Items" list

Note: when pressing the “Article 1” link, the result is a page inside a page.