bug(mac): Install Keyman dialog still appears on the screen after installing the Keyman build

### Describe the bug

I noticed that after installing the latest keyman build, the Install Keyman dialog still appears on the Screen.

### Reproduce the bug

1. Install Keyman 17.0.84-alpha build.

Here, I noticed that after installing the Keyman build, the Install Keyman dialog still appears on the Desktop. By clicking on it, it again install the Keyman build.

Seems that installation loop occurs due to this instance.

### Expected behavior

Install Keyman dialog should be closed after installing the Keyman build.

### Related issues

_No response_

### Keyman apps

- [ ] Keyman for Android
- [ ] Keyman for iPhone and iPad
- [ ] Keyman for Linux
- [X] Keyman for macOS
- [ ] Keyman for Windows
- [ ] Keyman Developer
- [ ] KeymanWeb
- [ ] Other - give details at bottom of form

### Keyman version

17.0.84-alpha

### Operating system

macMini M1 Ventura OS

### Device

macMini M1 Desktop

### Target application

_No response_

### Browser

_No response_

### Keyboard name

_No response_

### Keyboard version

_No response_

### Language name

_No response_

### Additional context

_No response_