I have been able to fix it. The problem seems to be with the imported Elementor template. I deleted the page and generated a new one and it works correctly.
On a related note, I have found that migrating L&L templates with Elementors export/import tool is not always a smooth process when using the Tangible Template widget.
Elementor seems to lose track of which Tangible Template should be loaded. Shortcodes would probably not have this issue, but I read somewhere it’s best to use the Tangible Template widget.