Add default StaticWebAssetMakeReferencedAssetOriginalItemSpecAbsolute for WebAssembly apps (dotnet#118394)

* Add StaticWebAssetMakeReferencedAssetOriginalItemSpecAbsolute to WebAssembly props

Co-authored-by: ilonatommy <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: ilonatommy <[email protected]>

Author: Copilot

src/mono/nuget/Microsoft.NET.Sdk.WebAssembly.Pack/build/Microsoft.NET.Sdk.WebAssembly.Browser.props

@@ -37,6 +37,7 @@ Copyright (c) .NET Foundation. All rights reserved.
     <StaticWebAssetsAdditionalPublishProperties>$(StaticWebAssetsAdditionalPublishProperties);BuildProjectReferences=false;ResolveAssemblyReferencesFindRelatedSatellites=true</StaticWebAssetsAdditionalPublishProperties>
     <StaticWebAssetsAdditionalPublishPropertiesToRemove>$(StaticWebAssetsAdditionalPublishPropertiesToRemove);NoBuild;RuntimeIdentifier</StaticWebAssetsAdditionalPublishPropertiesToRemove>
     <StaticWebAssetStandaloneHosting Condition="'$(StaticWebAssetStandaloneHosting)' == '' and '$(StaticWebAssetProjectMode)' == 'Root'">true</StaticWebAssetStandaloneHosting>
+    <StaticWebAssetMakeReferencedAssetOriginalItemSpecAbsolute Condition="'$(StaticWebAssetMakeReferencedAssetOriginalItemSpecAbsolute)' == ''">true</StaticWebAssetMakeReferencedAssetOriginalItemSpecAbsolute>
   </PropertyGroup>
 
   <ItemGroup>