Replace `Compare-Object` checks with sorted string equality for Teams federation allowed/blocked domain matching. This prevents parameter binding failures when one side is an empty array while preserving exact list-match behavior.

- Replace silent Write-Information bulk error messages with structured Write-LogMessage calls including normalized error details and batch counts
- Handle duplicate document templates gracefully by selecting the oldest instead of throwing
- Clear stale user/update cache entries from Azure Table Storage at sync start rather than reusing potentially stale data
- Remove debug Write-Host from document template creation