Zabbix

.......... [DEV-4313] added changes for color picker web element

Merge in ZBX/zabbix from feature/DEV-4313-7.5 to master

* commit 'e266cd96b1ad9d7b1b933c8c5606989865bbe872': (24 commits)
  .......... [DEV-4313] added TODO and temporary fix for item value and top hosts widget
  .......... [DEV-4313] added fixes regarding code review
  .......... [DEV-4313] added fixes regarding code review
  .......... [DEV-4313] added fixes regarding code review
  .......... [DEV-4313] fixed coding style
  .......... [DEV-4313] added fixes regarding code review
  .......... [DEV-4313] fixed issues related to isSubmitable function
  .......... [DEV-4313] fixed issue related to deprecated parameter; updated checkColorPickerState function
  .......... [DEV-4313] added fixes regarding code review
  .......... [DEV-4313] added fixes regarding code review; updated CColorPickerElement class
  .......... [DEV-4313] removed return statement
  .......... [DEV-4313] updated testDashboardTopHostsWidget_Layout test
  .......... [DEV-4313] fixed coding style
  .......... [DEV-4313] updated asserts where color is checked without color picker dialog opening (part 2)
  .......... [DEV-4313] updated testDashboardItemValueWidget_FormLayout test
  .......... [DEV-4313] removed  CColorPickerElement  isEnabled function; reverted changes related to isEnabled check
  .......... [DEV-4313] updated color pickerelement used in checkColorPickerState
  .......... [DEV-4313] added CColorPickerElement find function
  .......... [DEV-4313] updated asserts where color is checked without color picker dialog opening (part 1)
  .......... [DEV-4313] added palette for CColorPickerElement overwrite function
  ...