List of items in "Publishing -> Export" are difficult to read using screen readers

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: Master
• Component/s: Accessibility
• Labels: None
• Epic Link: fi-accesibility-screenreaders
• Git Pull Request: https://github.com/marcoscv-work/liferay-portal/pull/141

It is not a good practice to have many headers in the items because it makes reading difficult when navigating through headers with a screen reader.