add hover color to dash card titles (#12053)

frontend/src/metabase/visualizations/components/LegendHeader.jsx

@@ -9,7 +9,6 @@ import LegendItem from "./LegendItem";
 import cx from "classnames";
 
 import { normal } from "metabase/lib/colors";
-
 const DEFAULT_COLORS = Object.values(normal);
 const MIN_WIDTH_PER_SERIES = 100;
 
@@ -76,6 +75,7 @@ export default class LegendHeader extends Component {
         className={cx(
           styles.LegendHeader,
           "Card-title mx1 flex flex-no-shrink flex-row align-center",
+          { "text-brand-hover": !isBreakoutSeries },
         )}
       >
         {series.map((s, index) => [