Json vehicle state and apply paint packet (#416)

Converts the vehicle stored client side from a raw string to parsed json
data. This allows us to more easily edit the vehicle state serverside,
which I've started using in this PR for updating the state after a paint
packet.

---

By creating this pull request, I understand that code that is AI
generated or otherwise automatically generated may be rejected without
further discussion.
I declare that I fully understand all code I pushed into this PR, and
wrote all this code myself and own the rights to this code.

src/TLuaEngine.cpp

@@ -668,7 +668,7 @@ sol::table TLuaEngine::StateThreadData::Lua_GetPlayerVehicles(int ID) {
         sol::state_view StateView(mState);
         sol::table Result = StateView.create_table();
         for (const auto& v : VehicleData) {
-            Result[v.ID()] = v.Data().substr(3);
+            Result[v.ID()] = v.DataAsPacket(Client->GetRoles(), Client->GetName(), Client->GetID()).substr(3);
         }
         return Result;
     } else