Okay so I found the problem with my SVG file and fixed it. So the SVG problems are gone. And also with a little bit of shadow to make it look 3D in the mac format:
<img width="457" alt="Screen Shot 1400-08-17 at 12 11 44" src="https://user-images.githubusercontent.com/2157285/140710433-385b1129-771e-4de0-8bb0-ab7bd67347e8.png">
<img width="512" alt="geany-macos-icon" src="https://user-images.githubusercontent.com/2157285/140710566-67a9ce78-a240-43c5-a16e-b01ef685ef78.png">