fix: auto adjust SVG icons to pick up text color in WHCM (#2550)

Co-authored-by: Robert Snow <[email protected]>

Author: jnurthen

packages/@adobe/spectrum-css-temp/components/icon/icons.css

@@ -28,3 +28,10 @@ governing permissions and limitations under the License.
   /* Don't catch clicks or hover, otherwise they may not escape the SVG */
   pointer-events: none;
 }
+@media (forced-colors: active) {
+  .spectrum-Icon,
+  .spectrum-UIIcon {
+    /* Automatically adjust the SVG to pick up the text color for High Contrast mode */
+    forced-color-adjust: auto;
+  }
+}