#####Problem
The Query Builder's user interface was composed using a combination of Vue 2 custom components and WiKit elements, such as `Checkbox`. The WiKit design system is now on its deprecation path, as it has been superseded by Codex, the official Wikimedia design system. The utilization of WiKit components is not recommended, and they should be replaced in order to reduce maintenance costs and ensure consistency.
#####Solution
We have to replace the WiKit `Checkbox` used within the confirmation dialog in the Results page by the Codex equivalent: `cdx-checkbox` ([[ https://doc.wikimedia.org/codex/main/components/demos/checkbox.html#demos | See demo ]]). This will take us a step closer to switching to the new design system and deprecating the old.
#####Acceptance criteria
[] The WiKit Checkbox in Query Builder is replaced by its Codex equivalent