Zabbix

.......PS. [DEV-4836] added autoregistration host_metadata size check to avoid server shared memory overload

* commit '56d56ba64f6c70dff74ac32b6d2b3b0320a0f948':
  .......PS. [DEV-4836] reverted memory overload log
  .......... [DEV-4836] added integration test
  .......PS. [DEV-4836] fixed host_metadata check from proxy for bundle
  .......PS. [DEV-4836] moved memory overload log
  .......PS. [DEV-4836] added host_metadata check from proxy
  .......PS. [DEV-4836] moved memory overload log before backtrace also on realloc
  .......PS. [DEV-4836] added autoregistration host_metadata size check to avoid server shared memory overload