Improve UI for empty states - Empty layout

Looks like a duplicate issue. https://www.drupal.org/project/experience_builder/issues/3473761 🐛 After deleting all the components from the canvas, "Add section" button should be visible on the canvas Active

Wow, created within 2 hours of each other! 😄

Closed this as a duplicate of 🐛 After deleting all the components from the canvas, "Add section" button should be visible on the canvas Active — thanks, @shyam_bhatt!