[FIX] resource_booking: error CalendarQuickCreate title is not a stri…

…ng when scheduling a booking

resource_booking/models/resource_booking.py

@@ -699,7 +699,7 @@ def action_schedule(self):
                     self.duration, False
                 ),
                 default_resource_booking_ids=[(6, 0, self.ids)],
-                default_name=self.name,
+                default_name=self.name or "",
             ),
             "name": _("Schedule booking"),
             "res_model": "calendar.event",