Zabbix

A.F....PS. [ZBXNEXT-8246] added support of new format pramater "Integer from BITS" for SNMP preprocessing steps

Merge in ZBX/zabbix from feature/ZBXNEXT-8246-6.3 to master

* commit 'cdcf7e459ca515df10610edb1883be6fec144a16':
  ........S. [ZBXNEXT-8246] added changelog
  ........S. [ZBXNEXT-8246] added changelog
  ........S. [ZBXNEXT-8246] added changelog
  ........S. [ZBXNEXT-8246] post review fix - code style
  ........S. [ZBXNEXT-8246] post review fix - efficiency 2
  ........S. [ZBXNEXT-8246] post review fix - efficiency
  ........S. [ZBXNEXT-8246] post review fix
  ........S. [ZBXNEXT-8246] added bits conversion to snmp preprocessing
  A.F....... [ZBXNEXT-8246] added support of new format pramater "Integer from BITS" for SNMP preprocessing steps
  A.F....PS. [ZBXNEXT-8246] added new constant ZBX_PREPROC_SNMP_INT_FROM_BITS
  A.F....PS. [ZBXNEXT-8246] unified constants on server and frontend sides