fix: Update FastExpressionCompiler reference to Release DLL (#2120)

The project now always references the Release build of FastExpressionCompiler by setting a fixed HintPath, ensuring consistent usage regardless of build configuration.

Author: maximilien-noal

src/Spice86.Core/Spice86.Core.csproj

@@ -25,7 +25,7 @@
         <PackageReference Include="Serilog.Sinks.File" />
 		<PackageReference Include="Spectre.Console.Cli" />
         <Reference Include="FastExpressionCompiler">
-          <HintPath>..\..\3rdparty\$(Configuration)\FastExpressionCompiler.dll</HintPath>
+          <HintPath>..\..\3rdparty\Release\FastExpressionCompiler.dll</HintPath>
           <Private>true</Private>
         </Reference>
         <PackageReference Include="MeltySynth" />