feat(colorarea): S2 migration (#3388)

* feat(colorarea): s2 migration

* feat(colorarea): remove redundant property

* feat(colorarea): clarify color + rgb implementation

* feat(colorarea): fix gradient border-radius

* feat(colorarea): move forced-colors media query

* feat(colorarea): update changeset

Author: cdransf

components/colorarea/index.css

@@ -23,7 +23,6 @@
 	--spectrum-colorarea-width: var(--spectrum-color-area-width);
 	--spectrum-colorarea-min-width: var(--spectrum-color-area-minimum-width);
 	--spectrum-colorarea-min-height: var(--spectrum-color-area-minimum-height);
-
 	position: relative;
 	display: inline-block;
 	cursor: default;
@@ -86,7 +85,6 @@
 		--highcontrast-colorarea-border-color-disabled: GrayText;
 		--highcontrast-colorarea-border-color: Canvas;
 		--highcontrast-colorarea-fill-color-disabled: Canvas;
-
 		&.is-disabled {
 			forced-color-adjust: none;
 		}