Each time the calendar view of event.calendar is loaded,
the synchronization with google calendar was launched
and if a user open many tabs, it can lead to deadlock
Solution: Check for lock before launching the synchro,
if the transaction cannot acquire the lock, it's proably
because another synchro already started
closesodoo/odoo#69540
X-original-commit: 101598fae6fc32a49bb6d422a82b621a81201cb5
Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>
Thibault Francois
e564b0d8da