[msbuild] Resolve the full path to the compiled entitlements in the CompileEntitlements task. (#21372)

This saves a round-trip between the Mac and Windows machine for remote builds.

msbuild/Xamarin.MacDev.Tasks/Tasks/CompileEntitlements.cs

@@ -521,6 +521,11 @@ namespace Xamarin.MacDev.Tasks {
 
 			SaveArchivedExpandedEntitlements (archived);
 
+			/* The path to the entitlements must be resolved to the full path, because we might want to reference it from a containing project that just references this project,
+			  * and in that case it becomes a bit complicated to resolve to a full path on disk when building remotely from Windows. Instead just resolve to a full path here,
+			  * and use that from now on. This has to be done from a task, so that we get the full path on the mac when executed remotely from Windows. */
+			CompiledEntitlements = new TaskItem (Path.GetFullPath (CompiledEntitlements!.ItemSpec));
+
 			if (Platform == Utils.ApplePlatform.MacCatalyst) {
 				EntitlementsInSignature = CompiledEntitlements;
 			} else if (SdkIsSimulator) {

msbuild/Xamarin.Shared/Xamarin.Shared.targets

@@ -695,15 +695,6 @@ Copyright (C) 2018 Microsoft. All rights reserved.
 			<Output TaskParameter="EntitlementsInSignature" PropertyName="_CompiledCodesignEntitlements" />
 		</CompileEntitlements>
 
-		<!-- The path to the entitlements must be resolved to the full path, because we might want to reference it from a containing project that just references this project,
-			 and in that case it becomes a bit complicated to resolve to a full path on disk when building remotely from Windows. Instead just resolve to a full path here,
-			 and use that from now on. This has to be done from a task, so that we get the full path on the mac when executed remotely from Windows. -->
-		<GetFullPath SessionId="$(BuildSessionId)" Condition="'$(IsMacEnabled)' == 'true' And '$(_CompiledEntitlements)' != ''" RelativePath="$(_CompiledEntitlements)">
-			<Output TaskParameter="FullPath" PropertyName="_CompiledEntitlements" />
-		</GetFullPath>
-		<GetFullPath SessionId="$(BuildSessionId)" Condition="'$(IsMacEnabled)' == 'true' And '$(_CompiledCodesignEntitlements)' != ''" RelativePath="$(_CompiledCodesignEntitlements)">
-			<Output TaskParameter="FullPath" PropertyName="_CompiledCodesignEntitlements" />
-		</GetFullPath>
 
 		<ItemGroup>
 			<FileWrites Include="$(_CompiledEntitlementsPath)" />