Sidebar Customization Update

[Spricey]

I would appreciate additional modification of the sidebar, as a tool for tabs and other options. Currently, there is a limited set of firefox tools you can set (AI chatbot, tabs from other devices, history, bookmarks and passwords). The vertical tabs, rather than a sidebar option in settings, should be more easily accessible through an icon when switching between vertical and horizontal tabs as needed. Adding customization similar to the customization of the toolbar,  with a gap, moving the icons/extension/account icon, and connecting the sidebar as a part of the toolbar customization, would be appreciated.

[Jon]

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