common_widgets (DelayedBoxLayout), chat: don't delay layout on new message: DelayedBoxLayout has a new `dont_delay_next_layouts` property to skip delaying for the next X sizing. This is used in chat widget to avoid unpleasant flickering when a new message is sent or received.

[DEFAULT]
bridge = pb
log_level = debug
log_fmt = #[%%(levelname)s][%%(name)s] %%(message)s

[cagou]
no_certificate_validation = true
log_level = debug
log_fmt = [%%(levelname)s][%%(name)s] %%(message)s