Zabbix

..F....... [DEV-1273] added widget field validation in CControllerDashboardWidgetEdit; fixed tag normalization in setValue method; refactored CWidgetFieldWidgetListComboBox strict validation

* commit 'dc91081f2c31de112687bb19cb52245ee700f129':
  ..F....... [DEV-1273] normalize same comments across different branches
  ..F....... [DEV-1273] added widget field validation in CControllerDashboardWidgetEdit; fixed tag normalization in setValue method; refactored CWidgetFieldWidgetListComboBox strict validation
  ..F....... [DEV-1273] delete unneeded check
  ..F....... [DEV-1273] add an explanatory comment
  ..F....... [DEV-1273] add always using of field processing for dashboard widget

(cherry picked from commit ccc06e0891dbfcdfe2ac3358bcd303dcf17b3a65)