Every custom layout should have at least one field added to be set as default

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.4.13 DXP GA1, 7.4.3.4 CE GA4, Master
• Component/s: Objects
• Labels:
  • 7.4-known-issues
• Fix Priority: 4
• Git Pull Request: https://github.com/liferay-objects/liferay-portal/pull/171

Summary:
Every custom layout should have at least one field added to be set as default

Steps to Reproduce:

1. Create an Object with some fields
2. Create a layout without adding anything and set as default
3. Click to add an entry on the Object

Expected Result:
Layout should not be set as default

Actual Result:
Empty page with an error message is displayed

Verified on master: ae34eebc0d53b5006ecd7cd84ac37735319b4bc2