Zabbix

.......... [DEV-4301] updated to latest from feature/ZBXNEXT-8919-7.3-1; resolved conflicts in
- ui/include/classes/html/widgets/fields/CWidgetFieldThresholdsView.php
- ui/widgets/clock/views/widget.edit.js.php
- ui/widgets/gauge/views/widget.edit.js.php
- ui/widgets/honeycomb/views/widget.edit.js.php
- ui/widgets/item/views/widget.edit.js.php
- ui/widgets/itemhistory/views/column.edit.js.php
- ui/widgets/piechart/views/widget.edit.js.php
- ui/widgets/svggraph/views/widget.edit.js.php
- ui/widgets/tophosts/views/column.edit.js.php
- ui/widgets/topitems/views/column.edit.js.php