Improve application icon on macOS launch pad to have the same style

[ihhub]

Preliminary checks

• I've checked that there aren't other open issues on the same topic.

Describe the problem requiring a solution

This is how the current icon looks like in comparison with all other applications:

Take a note that the application is built from sources locally using normal make command.

Describe the possible solution

Should we add a higher resolution icon for this matter?

Additional info

No response