Support all JsonIgnoreCondition

[IvanJosipovic]

https://github.com/dotnet/dotnet/blob/main/src/runtime/src/libraries/System.Text.Json/Common/JsonIgnoreCondition.cs

JsonIgnoreCondition:

• Never
• Always
• WhenWritingDefault
• WhenWritingNull
• WhenWriting
• WhenReading