Issue with return data transformation

[niteshbalusu11]

When doing calls using @core-ln/core library, the return values that contain strings types are attempted to being converted into numbers and the output is resulting in NaN because it's attempting to convert strings into numbers that are not numbers.

Version of core-lightning: v0.12.1

Example getinfo output:

{
  id: NaN,
  alias: NaN,
  color: NaN,
  num_peers: 1,
  num_pending_channels: 0,
  num_active_channels: 1,
  num_inactive_channels: 0,
  address: [],
  binding: [ { type: NaN, address: NaN, port: 7171 } ],
  version: NaN,
  blockheight: 108,
  network: NaN,
  fees_collected_msat: 0,
  'lightning-dir': NaN,
  our_features: { init: NaN, node: NaN, channel: '', invoice: 2000020024100 }
}

Example of working output from lightning-cli

{
   "id": "02bef50633bf71a1e5b2e9e66cb2640bed27bcd93a0f89cc83db49c47a9ff0e0dc",
   "alias": "SLIMYCHEF-v0.12.1",
   "color": "02bef5",
   "num_peers": 1,
   "num_pending_channels": 0,
   "num_active_channels": 1,
   "num_inactive_channels": 0,
   "address": [],
   "binding": [
      {
         "type": "ipv4",
         "address": "127.0.0.1",
         "port": 7171
      }
   ],
   "version": "v0.12.1",
   "blockheight": 108,
   "network": "regtest",
   "fees_collected_msat": 0,
   "lightning-dir": "/tmp/l1-regtest/regtest",
   "our_features": {
      "init": "08a080282269a2",
      "node": "88a080282269a2",
      "channel": "",
      "invoice": "02000020024100"
   }
}