[ENHANCEMENT] Encode arrays with newline only with dynamic objects

[KoloInDaCrib]

Basically makes the printed arrays look like this

{
      "position": [-650, 600]
}

as opposed to this

{
      "position": [
            -650, 
            600
      ]
}

However this is only for arrays that have zero anonymous object members. Otherwise it'd look kinda ugly lol

[TechnikTil]

YES please.

[Hundrec]

Jason to object