Unable to Restart WinUI Unpackaged application (C#)

[ravi-chandra-t]

Issue Description:

Unable to restart the WinUI 3 unpackaged application. Getting 'System.IO.FileNotFoundException' in WinRT.Runtime.dll when calling the AppInstance.Restart("");. where as, the application is restarting properly in Packaged application.

.csproj file

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <OutputType>WinExe</OutputType>
    <TargetFramework>net6.0-windows10.0.19041.0</TargetFramework>
    <TargetPlatformMinVersion>10.0.17763.0</TargetPlatformMinVersion>
    <RootNamespace>RestartTest</RootNamespace>
    <ApplicationManifest>app.manifest</ApplicationManifest>
    <Platforms>x86;x64;arm64</Platforms>
    <RuntimeIdentifiers>win10-x86;win10-x64;win10-arm64</RuntimeIdentifiers>
    <PublishProfile>win10-$(Platform).pubxml</PublishProfile>
    <UseWinUI>true</UseWinUI>
    <SelfContained>true</SelfContained>
    <WindowsAppSDKSelfContained>true</WindowsAppSDKSelfContained>
    <EnablePreviewMsixTooling>true</EnablePreviewMsixTooling>
  </PropertyGroup>

  <ItemGroup>
    <Content Include="Assets\SplashScreen.scale-200.png" />
    <Content Include="Assets\LockScreenLogo.scale-200.png" />
    <Content Include="Assets\Square150x150Logo.scale-200.png" />
    <Content Include="Assets\Square44x44Logo.scale-200.png" />
    <Content Include="Assets\Square44x44Logo.targetsize-24_altform-unplated.png" />
    <Content Include="Assets\StoreLogo.png" />
    <Content Include="Assets\Wide310x150Logo.scale-200.png" />
  </ItemGroup>

  <ItemGroup>
    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.1.3" />
    <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.22621.1" />
    <Manifest Include="$(ApplicationManifest)" />
  </ItemGroup>

  <!-- Defining the "Msix" ProjectCapability here allows the Single-project MSIX Packaging
       Tools extension to be activated for this project even if the Windows App SDK Nuget
       package has not yet been restored -->
  <ItemGroup Condition="'$(DisableMsixProjectCapabilityAddedByProject)'!='true' and '$(EnablePreviewMsixTooling)'=='true'">
    <ProjectCapability Include="Msix" />
  </ItemGroup>
</Project>

Windows App SDK : 1.1.3 Windows Version: 10.0.19044

Sample Application to Reproduce