Get Microsoft Store Apps with ID when Get-AppxPackageManifest does not return results when running under the System context

Get-AllInstalledApps.ps1

$InstalledAppxPackages = Get-AppxPackage -AllUsers
$AumidList = foreach ($app in $InstalledAppxPackages) {
    # Get the AppId from the manifest file
    try {
        $ManifistPath = Join-Path -Path $app.InstallLocation -ChildPath "AppxManifest.xml"
        $ManifestPathLeaf = Split-Path -Path $app.InstallLocation -Leaf
        if ($(Test-Path -Path $ManifistPath -ErrorAction SilentlyContinue)) {
            [xml]$Manifest = Get-Content -Path $ManifistPath -ErrorAction Stop
            $Name = $Manifest.Package.Identity.Name
            $Publisher = @(
                "$ManifestPathLeaf" -split '_' | Select-Object -First 1
                "$ManifestPathLeaf" -split '_' | Select-Object -Last 1
            ) -join '_'
            $Id = $Manifest.Package.Applications.Application.Id
            if ($Publisher -and $Id -and $Publisher -like "*$Name*") {
                $Id | ForEach-Object {
                    Write-Output "$($Publisher)!$($_)"
                }
            }
        }
    }
    catch {}
}