* style: added styles to chart configs
* style: adjusted axis names and legend position
* style:
* adjusting legend position
* removed background property at the widget level
* exposed current theme data at widget level
* fix: addressed feedback on chart widget reskin
* fix:
* style according to feedback
* styled custom charts
* fix:
* added migration for accentColor and fontFamily
* implemented reskinning feedback
* fix: changed the position of properties in custom chart config
* fix:
* added unit test for migration
* changed the caption color
* fix: spacing fix
* fix: added accentColor and fontFamily defaults
* test: added cypress test for chart reskinning
* test: fixed cypress test failure