Added

• on_logout hook allowing to clear cookies when a user logs out

Changed

• Chainlit apps won't crash anymore if the data layer is not reachable

Fixed

• File upload now works when switching chat profiles
• Avatar with an image no longer have a background color
• If hide_cot is set to true, the UI will never get the intermediary steps (but they will still be persisted)
• Fixed a bug preventing to open past chats