HTTP error handler

http_full_error_message

$authHeader = @{
    'Authorization'=$authenticationResult.Result.CreateAuthorizationHeader()
    'Content-Type'  = 'application\json'
}

$uri = "https://graph.microsoft.com/v1.0/users/user@tenant.onmicrosoft.com"
$body = @{mobilePhone="+421905111222"} | ConvertTo-Json

try {
    Invoke-WebRequest -Method Patch -Uri $uri -Body $body -Verbose -Headers $authHeader -ContentType "application/json"
    }
catch {
    $streamReader = [System.IO.StreamReader]::new($_.Exception.Response.GetResponseStream())
    $errResp = $streamReader.ReadToEnd() | ConvertFrom-Json
    $streamReader.Close()
    $errResp.error.message
}