Design system: change highlight color after designer review (#34744)

Co-authored-by: Andrei Kharitonov <pharret31@users.noreply.github.com>

Author: EugeniyKiyashko

apps/demos/testing/etalons/TreeList-FilterModes (fluent-next.blue.light).png

@@ -42,10 +42,10 @@ $grid-group-row-content-rest: $grid-column-chooser-item-content-rest !default;
 $grid-group-row-bg-rest: ds.$color-surface-neutral-default-rest !default;
 $grid-master-detail-cell-bg-rest: ds.$color-surface-neutral-subdued-rest !default;
 
-$grid-search-content-rest: ds.$color-content-neutral-default-static-dark-rest !default;
+$grid-search-content-rest: ds.$color-content-highlight-rest !default;
 $grid-chevron-icon-rest: ds.$color-content-neutral-subdued-rest !default;
 
-$grid-search-bg-rest: ds.$color-surface-primary-default-rest !default;
+$grid-search-bg-rest: ds.$color-surface-highlight-rest !default;
 
 $grid-row-error-content-rest: ds.$color-content-neutral-default-static-dark-rest !default;