fixes #18815 - VMware vSphere Disk Mode support

Fixes #18783,#18804 - replace inline helps with label helps

Fixes #18591 - powerStatus in redux

Fixes #18317 - Clone user role via API

Fixes #14492 - Unify delete and minimize for dashboard widgets

Originally the idea was for the buttons to have a different effect on
the widgets, however with changes introduced later on these differences
have been reduced to being insignificant.

Fixes #18345 - Improve templates error handling

Fixes #18768 - remove generic inline helps

Fixes #18763 - Change delete button to standard style

Fixes #18740 - remove erb extension from host_checkbox.js

Fixes #18514 - switch prefix/mask fields