........S. [ZBX-25365] fixed map elements deletion during LLD and action operations processing by Zabbix server
* commit '4a3d6a76479d813ccf15646a3e22ae0bbd138f2c':
........S. [ZBX-25365] fixed description
........S. [ZBX-25365] added function description
........S. [ZBX-25365] added db upgrade patch
........S. [ZBX-25365] added comment
........S. [ZBX-25365] fixed minor coding style
........S. [ZBX-25365] fixed map elements deletion during LLD and action operations processing by Zabbix server
