bug(mac): Focus does not move into the search box on the “Keyman download Keyboard” dialog.

### Describe the bug

The mouse cursor does not appear in the search box, and focus does not move the “Keyman download keyboard” window
This same behavior happens in Textedit, Terminal, and browsers too

### Reproduce the bug

Steps to reproduce:

1. Install the latest version of the Keyman-17.0.325 stable build.
2. Downloaded and installed the Amharic keyboard using the Keyman Configuration dialog.
3. Select the "Amharic" keyboard on the toolbar.
4. Open the libra office application and click on the application.
5. The "On-Screen Keyboard" window appears automatically.
6. Type some text using the Amharic keyboard.
7. Open the Keyman “configuration” window by clicking the “Keyman” icon.
8. Click on the “download keyboard” button.
9. Click in the search box.
Actual Results: Here, the Mouse cursor does not appear, and focus does not move the “Keyman download keyboard” window
This same behavior happens in Textedit, Terminal, and browsers too
Please refer to the video file.
https://github.com/keymanapp/keyman/assets/19683059/37eb2715-a256-4faa-9724-c55d7540b553

### Expected behavior

_No response_

### 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

Keyman-17.0.325 stable

### Operating system

macOS Somona

### Device

_No response_

### Target application

_No response_

### Browser

_No response_

### Keyboard name

khmer_angkor

### Keyboard version

_No response_

### Language name

_No response_

### Additional context

_No response_