Zabbix

A.F.I..PS. [ZBXNEXT-8500,ZBXNEXT-8506] moved proxies to a separate database table

Merge in ZBX/zabbix from feature/ZBXNEXT-8500-6.5-1 to master

* commit '28a102c8c66cd26ee6e7ddc7330138e4be702aa0': (136 commits)
  .......... [ZBXNEXT-8500] fixed conflict in templates.tmpl
  A......... [ZBXNEXT-8500] removed unnecessary code
  A......... [ZBXNEXT-8500] fixed extra fields being logged to audit
  A......... [ZBXNEXT-8500] fixed spelling mistake
  .......... [ZBXNEXT-8500] fixed comments for subissue 6
  .......... [ZBXNEXT-8500] added tls to conf sync integration test
  .......... [ZBXNEXT-8500] added openssl to build
  .......... [ZBXNEXT-8500] fixed proxy.create causing failure to catch non-freed field in stringpool
  ....I..... [ZBXNEXT-8500] fixed dbupgrade on MariaDB
  .......... [ZBXNEXT-8500] added 1 scenario
  .......... [ZBXNEXT-8500] fixed reviewers comments
  .......... [ZBXNEXT-8500] removed todo comments
  .......... [ZBXNEXT-8500] fixed failing Jenkins frontend autotests
  ........S. [ZBXNEXT-8500] removed unused fields from structure if compiled without TLS
  ........S. [ZBXNEXT-8500] fixed allowed addresses cleanup
  .D........ [ZBXNEXT-8500] fixed comments
  .......... [ZBXNEXT-8500] fixed failing Jenkins frontend autotests
  ....I..... [ZBXNEXT-8500] simplified test item and config cache reload task upgrade
  ....I..... [ZBXNEXT-8500] simplified test item and config cache reload task upgrade
  ....I..... [ZBXNEXT-8500] fixed dbupgrade in case interface for Zabbix proxy is missing; style fixes
  ...