The position of action button is wrong when try to create a WC in WCD

• Type: Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: 7.0.0 DXP SP1, Master
• Fix Version/s: 7.0.X EE, Master
• Component/s: ~ [Archived] Frontend Infrastructure
• Labels: None
• Story Points: 1
• Fix Priority: 4

Steps to reproduce:

1. Add Web Content Display portlet.
2. Add New Basic Web Content.

Expected result:
The action button should keep at the button of page.

Actual result:
The action button is in the middle of the layout.

Note: This issue is only occurred in WCD portlet.