Zabbix

A.F.I..PS. [ZBX-22363] added support for item and item_preproc table fields to be either nvarchar or nclob

Merge in ZBX/zabbix from feature/ZBX-22363-6.0-3 to release/6.0

* commit '40d6f86630ed2f6088c758ef8e1c0a036c2dfde2': (29 commits)
  A.F....... [ZBX-22363] added check for DB type before overriding table field types and sizes
  .......PS. [ZBX-22363] fixed crash on Zabbix proxy
  .......PS. [ZBX-22363] fixed crash on Zabbix proxy
  .......PS. [ZBX-22363] fixed compilation with older gcc
  A.F....... [ZBX-22363] fixed PHP warning and deprecation notice
  A.F....... [ZBX-22363] fixed argument count error
  .D........ [ZBX-22363] added changelog file
  A.F....... [ZBX-22363] added overriding of table field types and sizes in schema file based on settings from database
  ....I..PS. [ZBX-22363] fixed fields not to be array of objects
  ....I..... [ZBX-22363] fixed sql script to be upper case
  ....I..PS. [ZBX-22363] added tables object for schema_diff
  .......PS. [ZBX-22363] fixed CUID character length
  ....I..PS. [ZBX-22363] renamed tables to schema_diff
  ....I..PS. [ZBX-22363] removed table from JSON if there are no changes
  ....I..PS. [ZBX-22363] moved JSON table location
  ....I..PS. [ZBX-22363] fixed proxy
  ....I..PS. [ZBX-22363] fixed proxy
  ....I..PS. [ZBX-22363] fixed proxy
  .......PS. [ZBX-22363] style fix
  ....I..PS. [ZBX-22363] added nclob to nvarchar convertion script
  ...