[FIX] Message attachment's fields with different sizes

[sampaiodiego]

Before:

After:

Msg schema:

{
  "_id": "bQggkDyau77q9obZX",
  "msg": "",
  "attachments": [
    {
      "fields": [
        {
          "title": "Small field",
          "value": "one line",
          "short": true
        },
        {
          "title": "Big field",
          "value": "multiple\nlines\nsee?",
          "short": true
        }
      ]
    }
  ],
  "bot": {
    "i": "EivbwgSN3eqWkENFw"
  },
  "groupable": false,
  "emoji": ":bug:",
  "ts": "2018-07-04T16:55:04.361Z",
  "u": {
    "_id": "rocket.cat",
    "username": "rocket.cat",
    "name": "Rocket.Cat"
  },
  "rid": "GENERAL",
  "_updatedAt": "2018-07-04T16:55:04.367Z"
}

[vynmera]

Noticed this a while ago, actually. Good to see it fixed :)

[pandada8]

this makes all not-short (long?) fields wrap in same row.

[sampaiodiego]

yes, it does 😞

@ggazzo will fix this