Fix Distance in Alert Variable Modal

What does this MR do and why?

Related #391318 (closed)

Describe in detail what your merge request does and why. This change will improve the user experience by fixing the incorrect distance in the alert in the variable modal. The alert will now display correctly and any issues with its display will be resolved. This change is important to ensure that the alert is displayed properly and that users are able to understand its content. Additionally, it helps to maintain consistency in the visual design of the application, making it more professional and user-friendly. Overall, this change will help to enhance the overall quality of the application and make it easier to use.

Screenshots or screen recordings

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.