support copy uuid for offline user

[weironz]

support copy uuid for offline user, i need set op for user, otherwise i must Letter by letter input

[
  {
    "uuid": "UUID-goes-here",
    "name": "notch",
    "level": 4
  },
  {
    "uuid": "UUID-goes-here",
    "name": "user1",
    "level": 4
  },
  {
    "uuid": "UUID-goes-here",
    "name": "player1",
    "level": 4
  }
]

[huanghongxun]

你可以在 hmcl.json 里面找到 uuid。 不过这个功能还是会添加

[weironz]

你可以在 hmcl.json 里面找到 uuid。

不过这个功能还是会添加

是的，目前是这样做的，有了复制就不用去后台查了

[burningtnt]

@willzhang #2364