Update Collections List
- Go to your theme editor: Admin → Sales channels → Online Store → Themes → (on the desired theme) Customize
- Select the Collections list template in the dropdown at the top

- Find the default collection list section in the panel on the left and hide it by clicking the eye icon next to the section

- Click Add section in the panel on the left
- Select Collection List from the list of Apps

- Click the Save button in the top-right corner to apply the changes