All columns of Custom Object Portlet can be unchecked

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.4.3.40 CE GA40, Master
• Component/s: DXP Components Web > Frontend Data Set
• Labels:
  • 7.4.13-u40
• Story Points: 1
• Fix Priority: 3
• Sprint: S05E07 - Axie Infinity, S05E08 - Rampage
• Git Pull Request: https://github.com/liferay-frontend/liferay-portal/pull/2657

 Description

All columns of Custom Object Portlet can be unchecked

 Steps to Reproduce

1. Go to Menu >  Control Panel > Objects
2. Create an Object with Fields
3. Go to Forms
4. Map the Objects Fields
5. Publish the Form
6. Add entries
7. Go to Custom Object Portlet 
8. Uncheck all the columns

 Expected Result

The last field column cannot be unchecked.

 Actual Result

All the fields columns can be unchecked, making the functionality not intuitive

 Reproduced In master: 
5b42729f22452e66c4383a95ebb2af848cced1ea