Cannot bind argument to parameter 'Path' because it is an empty string. #2361

When there is empty properties it should not try to join paths.

Get-ChildItem "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList"  -ErrorAction SilentlyContinue | % {
    $properties =  Get-ItemProperty $_.pspath  -ErrorAction SilentlyContinue
    $userProfilePath = ""
    if($properties)
    {
        $userProfilePath =  $properties.ProfileImagePath
        $filePath = Join-Path $userProfilePath .ssh\authorized_keys
    if(Test-Path $filePath -PathType Leaf)
    {
        Repair-AuthorizedKeyPermission -FilePath $filePath @psBoundParameters
    }
   }
}

Get-ChildItem "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList"  -ErrorAction SilentlyContinue | % {
    $properties =  Get-ItemProperty $_.pspath  -ErrorAction SilentlyContinue
    $userProfilePath = ""
    if($properties)
    {
        $userProfilePath =  $properties.ProfileImagePath
    }
    $filePath = Join-Path $userProfilePath .ssh\authorized_keys
    if(Test-Path $filePath -PathType Leaf)
    {
        Repair-AuthorizedKeyPermission -FilePath $filePath @psBoundParameters
    }
}

Join-Path : Cannot bind argument to parameter 'Path' because it is an empty string.
At C:\Program Files\OpenSSH\FixHostFilePermissions.ps1:52 char:27
+     $filePath = Join-Path $userProfilePath .ssh\authorized_keys
+                           ~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidData: (:) [Join-Path], ParameterBindingValidationException
    + FullyQualifiedErrorId : ParameterArgumentValidationErrorEmptyStringNotAllowed,Microsoft.PowerShell.Commands.Join
   PathCommand