Power level change for users says [object Object] instead of the user's name

[turt2live]

Description

The event:

{
  "origin_server_ts": 1530344839886,
  "sender": "@appservice-irc:matrix.org",
  "event_id": "$153034483922740QIuuE:matrix.org",
  "unsigned": {
    "prev_content": {
      "events_default": 0,
      "invite": 0,
      "state_default": 50,
      "redact": 50,
      "ban": 50,
      "users_default": 0,
      "events": {
        "m.room.avatar": 50,
        "m.room.name": 50,
        "m.room.canonical_alias": 50,
        "m.room.history_visibility": 100,
        "m.room.power_levels": 100
      },
      "kick": 50,
      "users": {
        "@_discord_bot:t2bot.io": 100,
        "@_discord_378027074197127170:t2bot.io": 50,
        "@appservice-irc:matrix.org": 100,
        "@travis:tang.ents.ca": 50,
        "@travis:t2l.io": 100
      }
    },
    "prev_sender": "@appservice-irc:matrix.org",
    "replaces_state": "$15102058291582LoDBB:matrix.org",
    "age": 45524
  },
  "state_key": "",
  "content": {
    "events_default": 0,
    "invite": 0,
    "state_default": 50,
    "redact": 50,
    "ban": 50,
    "users_default": 0,
    "events": {
      "m.room.avatar": 50,
      "m.room.name": 50,
      "m.room.canonical_alias": 50,
      "m.room.history_visibility": 100,
      "m.room.power_levels": 100
    },
    "kick": 50,
    "users": {
      "@alias:t2bot.io": 50,
      "@travis:tang.ents.ca": 50,
      "@appservice-irc:matrix.org": 100,
      "@travis:t2l.io": 100,
      "@_discord_bot:t2bot.io": 100,
      "@_discord_378027074197127170:t2bot.io": 50
    }
  },
  "type": "m.room.power_levels",
  "room_id": "!pDynKLEzozBZzARqct:t2bot.io"
}

Version information

• Platform: web (in-browser)
• Browser: Chrome 68
• OS: Windows 10
• URL: riot.im/develop