How to create sort in EntityFrameworkCore by JSON_VALUE?

Question

Entity Framework

There is a data type:
class LocalizedString {
public string Ru {get; set;}
public string En {get; set;}
}
It is stored in the database as Json, it is being converted to EntityFramework via ValueConverter
Now we need to implement such an extension for EntityFramework so that we can write either
items.OrderBy(x => x.FullName) or items.OrderBy(x => x.FullName.Ru)
FullName are properties of some EF object of LocalizedString type
Tried through DbFunctions Translation but it's not