Server issue on Sidekick Browser

[Zowlak]

Description on the bug
When I try to start a reflex app working with backend (for exemple, the quiz from reflex-examples), 95% of the time I got this error:

Nothing particular with the debugger (--loglevel debug) and got this with DevTools :

For information, Sidekick is a browser based on Chrome using Chromium.
You can get it here: https://www.meetsidekick.com/

Having no issue for the app running with classic Chrome or Safari for example.

LInk to the discord thread issue : https://discord.com/channels/1029853095527727165/1233071415176069141
Opened an issue from Lendemor's request.

Environnement informations

• Python Version: Python 3.11.7 (venv)
• Reflex Version: 0.4.9
• OS: Macbook Air M2 Sonoma 14.4
• Browser (Optional): Sidekick Browser Version 122.59.1.38679 (Official build) (arm64)