Generic Export: User feedback

[antoineatstariongroup]

Prerequisites

• I have written a descriptive issue title
• I have verified that I am running the latest version of the ea-modelkit
• I have searched open and closed issues to ensure it has not already been reported

Description

As a user, I want to see an indicator to show whether in a particular section all/none/partial elements are selected for export.

Steps to Reproduce

System Configuration

• ea-modelkit version:
  • ea-modelkit:
  • Other:
• Environment (Operating system, version and so on):
• .NET Framework version:
• Additional information: