Follow ZBXNEXT-4883, now the main trigger keep hold state of depend trigger in history view.

For example:

1) zabbix_sender -z 127.0.0.1 -p 10051 -s test -k value -o "1"

2) zabbix_sender -z 127.0.0.1 -p 10051 -s test -k value -o "1"

3) zabbix_sender -z 127.0.0.1 -p 10051 -s test -k value -o "0"

4) If manually close the main trigger, then depent trigger is keep active state

5) And active in problems view