gnome-clipboard-history: Breaks on Gnome 46

Describe the bug

gnome-clipboard-history as of extension version 34 shows the following error when trying to load on Gnome 46.

Extension clipboard-history@alexsaveau.dev: TypeError: hbox.add is not a function

Stack trace:
  _init@file:///var/home/jondoe/.local/share/gnome-shell/extensions/clipboard-history@alexsaveau.dev/extension.js:87:10
  ButtonBox@resource:///org/gnome/shell/ui/panelMenu.js:13:1
  PanelMenuButton@resource:///org/gnome/shell/ui/panelMenu.js:99:4
  ClipboardIndicator@file:///var/home/jondoe/.local/share/gnome-shell/extensions/clipboard-history@alexsaveau.dev/extension.js:64:1
  enable@file:///var/home/jondoe/.local/share/gnome-shell/extensions/clipboard-history@alexsaveau.dev/extension.js:1311:31
  _callExtensionEnable@resource:///org/gnome/shell/ui/extensionSystem.js:263:38
  loadExtension@resource:///org/gnome/shell/ui/extensionSystem.js:473:32
  async*_loadExtensions@resource:///org/gnome/shell/ui/extensionSystem.js:780:24
  async*_enableAllExtensions@resource:///org/gnome/shell/ui/extensionSystem.js:786:48
  _sessionUpdated@resource:///org/gnome/shell/ui/extensionSystem.js:821:20
  async*init@resource:///org/gnome/shell/ui/extensionSystem.js:76:14
  _initializeUI@resource:///org/gnome/shell/ui/main.js:302:22
  start@resource:///org/gnome/shell/ui/main.js:176:11
  @resource:///org/gnome/shell/ui/init.js:12:47
  @resource:///org/gnome/shell/ui/init.js:21:20