Preconditions:

Suggestions are enabled.

Steps:

1. Go to Content/Content structure
2. Navigate in content tree to folder with articles
3. Click Create content

Actual result:

Create content modal is displayed. "Article" is doubled: in suggestions and in Content section.

Expected result:

If something is displayed in Suggestions section, it shouldn't be displayed in other one. 

Alternative Expected result:

Do not show Suggestions at all, when there is only one available Content Type