Icon path in Directory.Build.props is invalid on MacOS

[JanKost]

NPOI Version

2.7.1

File Type

• OTHER

Reproduce Steps

• Import NPOI in Unity via NuGet for Unity

Issue Description

The Icon path in Directory.Build.props is invalid on MacOS. This causes a nuisance error in Unity Editor on MacOS when NuGet for Unity attempts to access the icon file.

For details see this comment: 45c2938#r145519592

[tonyqus]

I don't have a Mac on hand. I have no idea how I can reproduce this issue. Did you try Unity on Windows?