Replace cJSON by nlohmann::ordered_json

[Jarod42]

Using ordered version to better mimic old behavior which keeps insertion order

[Jarod42]

@eranif All is ok on my side.
I missed parsing-handling in the first version (we try to parse (xml) workspace as json ?!).
You might do further testing if you want :-)

[eranif]

I am just going to merge this and test it, hopefully nothing will break 🤣

[eranif]

@Jarod42 so far so good...