Zabbix

A.F....PS. [ZBXNEXT-7554] added incremental configuration sync for hosts, host tags, items, item tags, item preprocessing, triggers, trigger tags, functions

Merge in ZBX/zabbix from feature/ZBXNEXT-7554-6.1 to master

* commit '903295c490daeb8e7d4769327001d79affb5fc1a': (86 commits)
  .D........ [ZBXNEXT-7554] added changelog entry
  .......... [ZBXNEXT-7554] removed lastaccess from api_json/data/data_test.sql
  ........S. [ZBXNEXT-7554] removed template trigger/trigger prototype caching optimizations
  ........S. [ZBXNEXT-7554] fixed handling of updated trigger prototypes
  ....I..... [ZBXNEXT-7554] added changelog table clearing for integration tests
  ....I..... [ZBXNEXT-7554] added changelog clearing after successfull database upgrade
  .......PS. [ZBXNEXT-7554] added comment
  ........S. [ZBXNEXT-7554] simplified trigger dependency syncing sql query, added chceks to avoid caching template/prototype triggers
  ....I..... [ZBXNEXT-7554] fixed schema generation script
  .......... [ZBXNEXT-7554] removed lastaccess equal 0 in api data_test.sql
  .......PS. [ZBXNEXT-7554] fixed warnings
  A......... [ZBXNEXT-7554] coding style fix
  A......... [ZBXNEXT-7554] fixed incorrect filtering of write-only fields; fixed notice when null is passed as output
  A......... [ZBXNEXT-7554] manually delete host_rtdata; fixed lastaccess for output extend
  A......... [ZBXNEXT-7554] fixed incomplete output for extend
  .......PS. [ZBXNEXT-7554] fixed function declaration
  .......PS. [ZBXNEXT-7554] chnaged dbsync journal handling functions to static
  A......... [ZBXNEXT-7554] moved lastaccess field from hosts table to host_rtdata table
  .......PS. [ZBXNEXT-7554] fixed warnings
  ....I..... [ZBXNEXT-7554] added proxy lastaccess to log
  ...