Small Mac icon in programs looks skewed

[henrixapp]

Describe the bug

The icon for Zulip on my Mac (M1) looks skewed. See screenshot.

To Reproduce

1. Download https://zulip.com/apps/ the Mac app (either version).
2. Install app.
3. The icon in the Program folder and spotlight looks broken.

Expected behavior

Display the original icon.

Screenshots

Desktop (please complete the following information):

• Operating System: Mac Ventura 13.4

• Zulip Desktop Version: 5.10.0 x64 or arm64

Additional context

[cyann]

Apparently the lowest resolution icons are corrupted.

They can be extracted with this command:

iconutil --convert iconset /Applications/Zulip.app/Contents/Resources/icon.icns -o ~/zulip.iconset

I've temporarily fixed that by replacing the icon with a simplified version with only 2 resolutions:

• 512 (512x512)
• 1024 (512x512@2x)

This might help: svg2any