Function toggleFragmentUsername

toggleFragmentUsername(client, params): Promise<void>
Toggle a collectible (Fragment) username

Note: non-collectible usernames must still be changed using setUsername/setChatUsername
Parameters
- client: ITelegramClient
- params: {
      active: boolean;
      peerId: InputPeerLike;
      username: string;
  }
  - active: boolean
    Whether to enable or disable the username
  - peerId: InputPeerLike
    Peer ID whose username to toggle
  - username: string
    Username to toggle
Returns Promise<void>
- Defined in packages/core/src/highlevel/methods/chats/toggle-fragment-username.ts:14