Switch to embedded PackageIcon

\n\nCommit migrated from dotnet/extensions@6acbcb1

Author: wtgodbe

src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.csproj

@@ -32,5 +32,6 @@
     <NuspecProperty Include="OutputDocumentation=$(OutputPath)**\$(AssemblyName).xml" />
     <NuspecProperty Include="TaskAssemblyNetStandard=$(ArtifactsDir)bin\$(AssemblyName).Manifest.Task\$(Configuration)\netstandard2.0\$(AssemblyName).Manifest.Task.dll"/>
     <NuspecProperty Include="TaskSymbolNetStandard=$(ArtifactsDir)bin\$(AssemblyName).Manifest.Task\$(Configuration)\netstandard2.0\$(AssemblyName).Manifest.Task.pdb" Condition="'$(DebugType)'!='embedded'"/>
+    <NuspecProperty Include="PackageIcon=$(PackageIconFullPath)" />
   </ItemGroup>
 </Project>

src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.multitarget.nuspec

@@ -18,6 +18,7 @@
     <file src="$OutputDocumentation$" target="lib\" />
     <file src="build\**\*" target="build\" />
     <file src="buildMultiTargeting\**\*" target="buildMultiTargeting\" />
+    <file src="$PackageIcon$" target="" />
     <file src="$TaskAssemblyNetStandard$" target="tasks\netstandard2.0\$AssemblyName$.Manifest.Task.dll" />
     <file src="$TaskSymbolNetStandard$" target="tasks\netstandard2.0\$AssemblyName$.Manifest.Task.pdb" />
   </files>

src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.netcoreapp3.0.nuspec

@@ -15,6 +15,7 @@
     <file src="$OutputDocumentation$" target="lib\" />
     <file src="build\**\*" target="build\" />
     <file src="buildMultiTargeting\**\*" target="buildMultiTargeting\" />
+    <file src="$PackageIcon$" target="" />
     <file src="$TaskAssemblyNetStandard$" target="tasks\netstandard2.0\$AssemblyName$.Manifest.Task.dll" />
     <file src="$TaskSymbolNetStandard$" target="tasks\netstandard2.0\$AssemblyName$.Manifest.Task.pdb" />
   </files>