EditConditionClick blocked for Read-Variable

Certain controls are not working with `Read-Variable`.

Spe.Client.Applications.PowerShellMultiValuePrompt.EditConditionClick

<img width="512" height="305" alt="Image" src="https://github.com/user-attachments/assets/23d44316-9484-4b42-8d85-788448ba68ef" />

<img width="582" height="212" alt="Image" src="https://github.com/user-attachments/assets/f824307a-7405-4cd5-ba7c-cb911ff12a62" />