Rows can't have 0 columns

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: 7.3.0 CE GA1, Master
• Component/s: Pages > Page Editor
• Labels:
  • Bug
  • echo-board-out
• Epic Link: fi-page-editor-react
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/83402

Currently is allowed to change a row's number of columns to 0 and it shouldn't.