Explicit capture this to fix deprecation warning
Fix the following C++20 deprecation warning by explicitly capturing
this
by value:
../calindac/alarmnotification.cpp: In lambda function:
../calindac/alarmnotification.cpp:19:72: warning: implicit capture of ‘this’ via ‘[=]’ is deprecated in C++20 [-Wdeprecated]
19 | connect(this, &AlarmNotification::suspend, m_notification_handler, [ = ]() {
| ^