onExitCommand(perform:) is unavailable on watchOS causing build failure

I’m encountering a build error when compiling the project for watchOS.

The error occurs in **FullscreenPopup.swift** at line **233** and is related to the usage of:
`onExitCommand(perform:)`

According to the compiler, this API is unavailable on watchOS, which causes the watchOS target to fail building.

```
FullscreenPopup.swift:233
'onExitCommand(perform:)' is unavailable in watchOS
```