Removed nullable indicators from string properties in BaseEntity.cs, ClientUser.cs, Group.cs, and User.cs. The Username property in User.cs is now marked as required for .NET 7 or greater, improving data integrity and reducing null reference risks.
Removed nullable indicators from string properties in BaseEntity.cs, ClientUser.cs, Group.cs, and User.cs. The Username property in User.cs is now marked as required for .NET 7 or greater, improving data integrity and reducing null reference risks.