* First batch of x-icon to hds::icons
* Bunch more icons and a note for jobrow
* Fixes for tests that depended on specific action names
* Icon-bumped-down specified to solo-icons in table cells
* Class-basing the icon bump and deferring icon svg load in env
* Exec window sidebar icons were looking a little off
Structure icons have fill set to currentColor hardcored in their markup.
This mean setting fill to a color in CSS does nothing, but setting color
now does.
