The original popup included arrows that indicated the direction of
the switch. We stopped doing that a long time ago, and ever since
the popup has only indicated active vs. non-active workspaces.
Simplify both the API and style to reflect that.
Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2127>
- updated switch assets
- new high contrast assets
- use non-hardcoded bg color for dash
- updated palette colors
- add missing color definitions to hc
- increase radii of many elements
- update search entry style
- align icon better in search entry
- restyle panel popovers without arrow and add drop shadow
- used theme colors in panel
- fix some things with popover labels
- new slider style
- some light variant fixes
- fixes to the calendar popover
- day with event styles
- better calendar-today.svg and dark variant
- shorten calendary weekday header
- saner padding
- overhaul popover menu style
- minor fixes to app grid and alt-tab switch
- updated looking glass styles
- nm-dialog adjustments
- search results adjustments
- expand out panel button hover styles
- button drawing adjustments
- adjust notifications area
- update on-screen keyboard style
- better keyboard symbolic icon assets
- change keyboard symbolic icons to 24px
- improved keyboard style
- gave the keyboard word suggestions some styles
- less obnoxious saner media control buttons
- cleaned up the css for the dash
- reworked the alt-tab switcher style
- sync style on workspace switcher
- adjusted dialog button style drawing
- popover submenu redrawing adjustement
Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2104>
