Hello,
For the first time, Elementor added the option of containers in version 3.6 in August 2022. In version 3.16.1 in August 2023, Elementor made the container option enabled by default. This, along with complaints from our clients, forced us to rework the entire import to containers to comply with the latest Elementor updates and upcoming updates in the future.
The rows/columns and containers switching mechanism is part of the Elementor plugin, so through our theme, we cannot influence the disappearance of containers when switching from containers to columns. This is because Elementor itself has designed such a mechanism where rows/columns can be transformed into containers, and containers into columns/sections – they cannot.
https://elementor.com/help/container-element/
Kind Regards