Redundant Close Button on Modal

## Context

## Steps to reporoduce
1. Edit a Control Plane
2. Change some members/components
3. Click through until you see Success screen

### Actual
Two close buttons shown
<img width="3111" height="1182" alt="Image" src="https://github.com/user-attachments/assets/7758f31b-16cf-4045-9bdd-c94cffd7e483" />

### Expected
One done button shown