Large app icons in Finder and Launchpad

### Describe the bug

When the hidden bar app icon is displayed in Finder or Launchpad, it appears larger than other icons, including the stock app.

### Steps to reproduce

1. install and open version 1.9
2. Open Finder and check the surrounding application icons and displays.
3. Open Spotlight and check the surrounding application icons and displays.

### Expected behaviour

Icons should be similar in size to the icons of Apple's stock apps and most other apps

**Screenshots**

### Environment

You may write here the specifications like the version of the project, operating system, or hardware if applicable.

**Desktop (please complete the following information):**
- OS: macOS 14.3.1（23D60）
- Version 1.9

### Supplementary Info
I would be willing to contribute to resolving this and other minor improvements.