Add a section to the FAQ on order by prop of a Json value

This addresses this doc [issue](https://github.com/prisma/docs/issues/42660)

content/200-orm/200-prisma-client/200-special-fields-and-types/100-working-with-json-fields.mdx

@@ -1001,6 +1001,10 @@ No - it is not yet possible to filter on the presence of a specific key.
 
 No - [case insensitive filtering](https://github.com/prisma/prisma/issues/7390) is not yet supported.
 
+### Can you sort an object property of a Json value?
+
+No - [Sorting](https://github.com/prisma/prisma/issues/10346) an object property (order-by-prop) of a Json value is not yet supported.
+
 ### How to set a default value for JSON fields?
 
 When you want to set a `@default` value the `Json` type, you need to enclose it with double-quotes inside the `@default` attribute (and potentially escape any "inner" double-quotes using a backslash), for example:
@@ -1011,4 +1015,4 @@ model User {
   json1 Json @default("[]")
   json2 Json @default("{ \"hello\": \"world\" }")
 }
-```
+```