修复 Windows 端也被拷贝内容

Author: lindexi

src/MediaConverters/SkiaWmfRenderer/src/SkiaWmfRenderer/Assets/Build/Core.props

@@ -1,7 +1,7 @@
 <Project>
-    <ItemGroup>
+  <ItemGroup Condition="$(RuntimeIdentifier.StartsWith('linux'))">
       <None Include="$(MSBuildThisFileDirectory)..\Assets\$(RuntimeIdentifier)\**" LinkBase="Assets\$(RuntimeIdentifier)" CopyToOutputDirectory="PreserveNewest"/>
-      <None Include="$(MSBuildThisFileDirectory)..\Assets\gsfonts\**" LinkBase="Assets\gsfonts" CopyToOutputDirectory="PreserveNewest"/>
-      <None Include="$(MSBuildThisFileDirectory)..\Assets\Fonts\**" LinkBase="Assets\Fonts"  CopyToOutputDirectory="PreserveNewest"/>
+      <None Include="$(MSBuildThisFileDirectory)..\Assets\gsfonts\**" LinkBase="Assets\gsfonts" CopyToOutputDirectory="PreserveNewest" Condition="$(IsRuntimeIdentifierLinux)"/>
+      <None Include="$(MSBuildThisFileDirectory)..\Assets\Fonts\**" LinkBase="Assets\Fonts"  CopyToOutputDirectory="PreserveNewest" Condition="$(IsRuntimeIdentifierLinux)"/>
     </ItemGroup>
 </Project>