Fixes subsequent failures after first successful ``Invoke-MgGraphRequest`` run when using national cloud environments#2971

timayabi2020 merged 2 commits intodevmicrosoftgraph/msgraph-sdk-powershell:devfrom

2950-invoke-mggraphrequest-fails-after-first-call-as-of-v2210-with-usgov-environmentmicrosoftgraph/msgraph-sdk-powershell:2950-invoke-mggraphrequest-fails-after-first-call-as-of-v2210-with-usgov-environmentCopy head branch name to clipboard