Set the InstallerPackageDescription property to also set the description for installers (after dotnet/arcade#15308 flows)

Author: jkoritzinsky

src/Framework/App.Ref/src/Microsoft.AspNetCore.App.Ref.sfxproj

@@ -18,6 +18,7 @@
 
     <PackageSummary>ASP.NET Core Targeting Pack</PackageSummary>
     <PackageDescription>$(SharedFxDescription)</PackageDescription>
+    <InstallerPackageDescription>$(SharedFxDescription)</InstallerPackageDescription>
     <LicenseFile>$(RepoRoot)LICENSE.txt</LicenseFile>
     <MajorVersion>$(AspNetCoreMajorVersion)</MajorVersion>
     <MinorVersion>$(AspNetCoreMinorVersion)</MinorVersion>

src/Framework/App.Runtime/src/Microsoft.AspNetCore.App.Runtime.sfxproj

@@ -25,6 +25,7 @@
     <GenerateInstallers>true</GenerateInstallers>
     <ProductBrandPrefix>Microsoft ASP.NET Core</ProductBrandPrefix>
     <PackageDescription>$(SharedFxDescription)</PackageDescription>
+    <InstallerPackageDescription>$(SharedFxDescription)</InstallerPackageDescription>
     <LicenseFile>$(RepoRoot)LICENSE.txt</LicenseFile>
     <MajorVersion>$(AspNetCoreMajorVersion)</MajorVersion>
     <MinorVersion>$(AspNetCoreMinorVersion)</MinorVersion>