Zabbix

.......PS. [ZBX-20518] fixed lastaccess update during proxy throttling

Merge in ZBX/zabbix from feature/ZBX-20518-5.5 to master

* commit '90b57a871ecbd0a54f5d6342663c028a31bc756a':
  .......PS. [ZBX-20518] fixed lastaccess updates for passive proxies with >1s task nextcheck
  .......PS. [ZBX-20518] fixed lastaccess update during proxy throttling
  .......PS. [ZBX-20518] fixed lastaccess update during proxy throttling
  .......PS. [ZBX-20518] fixed lastaccess update during proxy throttling