Only show config error when restarting, not everytime the app starts
send conferenceInfoReceived when conf info state is New
Use App ChatList instead of a new one in each ChatProxy (try to fix crash when catching signals in ChatCore)
avoid displaying more messages when the list is not yet initialized
fix meeting form end hour combobox list display #LINQT-2127
check if at least one participant when creating group chat #LINQT-2134
display all the errors at a time if they all occur #LINQT-2133
add signal to add chat to list when state Created #LINQT-2131
fix chat deletion
rename fr translation
set enableVideo to false if audio call #LINQT-2086
try to fix crash on macos when switching from call window to main window (#LINQT-2077 and #LINQT-2087)
set error message when not able to download attached file
fix remove chat from list
fix new chat connection after first message sent #LINQT-2090
clean code + invalidate() for Qt6.10 compatibility
fix translations
