recent workfiles fixes

- adding empty state message and styles
recent work files in progress

minor color change
recent work files work

- common long title handling for workfile and workspace name
- slight nip and tuck for space
- css & rendering optimizations by reducing specificity
recent workfiles revisions
- add empty state to the widget
- empty state css (needs a better home)
- restructure so that main content area only generates when there is content
- css optimizations
recent file working
- more css changes to get the positions right
- empty-state message and tip