Add alert on top of page builder
https://www.figma.com/file/WLjvvLskcZaNAxrOcSHBUt/UX-improvements-in-4.6-LTS-%2F-Drag-and-drop-experience-in-Page-Builder?type=design&node-id=2566-234142&mode=design&t=reYxK0wUF8YEqsQU-0
IBX-7131 [Page builder / Permissions] user can add LP blocks despite having limitations for field groups
IBX-7129 [Page builder] notification regarding 0 dropzones is not displayed for 0 dropzones layout