Applied best known ILT0005 workarounds

Author: Arlodotexe

ProjectHeads/Head.Uwp.props

@@ -21,13 +21,22 @@
     </PropertyGroup>
 
     <PropertyGroup Condition="'$(Configuration)' == 'Release'">
-        <UseDotNetNativeToolchain>true</UseDotNetNativeToolchain>
+        <!-- Don't overwrite if already defined. Needed for disabling .NET Native in test projects. -->
+        <UseDotNetNativeToolchain Condition="'$(UseDotNetNativeToolchain)' == ''">true</UseDotNetNativeToolchain>
+
+        <!--
+            Workarounds for ILT0005: Out of memory.
+         -->
+        <IlcParameters>/ExtraNutcArguments:"/d2threads1"</IlcParameters>
+        <SingleThreadNUTC>true</SingleThreadNUTC>
+        <Use64BitCompiler>true</Use64BitCompiler>
+        <OutOfProcPDB>true</OutOfProcPDB>
     </PropertyGroup>
 
     <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
         <DebugSymbols>true</DebugSymbols>
         <OutputPath>bin\x86\Debug\</OutputPath>
-        <DefineConstants>$(DefineConstants);DEBUG;TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>        
+        <DefineConstants>$(DefineConstants);DEBUG;TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
         <DebugType>full</DebugType>
         <PlatformTarget>x86</PlatformTarget>
         <UseVSHostingProcess>false</UseVSHostingProcess>

ProjectHeads/Tests.Head.Uwp.props

@@ -5,6 +5,7 @@
   <!-- Workaround as discussed https://github.com/unoplatform/uno/discussions/5007 for https://developercommunity.visualstudio.com/t/HasSharedItems-is-explicitly-set-to-em/10016046 -->
   <PropertyGroup>
     <SynthesizeLinkMetadata>true</SynthesizeLinkMetadata>
+    <UseDotNetNativeToolchain>false</UseDotNetNativeToolchain>
   </PropertyGroup>
 
   <ItemGroup>