[Server][DBClientZabbix] Fix a parameter.

      COLUMN_DEF_GROUPS_RAW_2_0 ->
COLUMN_DEF_HOSTS_GROUPS_RAW_2_0
[Server][ArmZabbixAPI] Add a new function: parseAndPushHostsGroupsData
[Server][ArmZabbixAPI] Use parseAndPushHostsGroupsData() function.