yejingyu

GraphClient fail to fetch User if UPN start with $(dollar sign)

3

### Describe the bug Based on the [userPrincipalName section of this documentation](https://learn.microsoft.com/en-us/microsoft-365/enterprise/prepare-for-directory-synchronization?view=o365-worldwide#2-directory-object-and-attribute-preparation), An UPN starts with $ (dollar sign) is a valid UPN. However, if we pass in a UPN...