fix: buckets browse button was not clickable (#2249)

Signed-off-by: Lenin Alevski <alevsk.8772@gmail.com>

Author: Alevsk

portal-ui/src/screens/Console/Dashboard/BasicDashboard/BasicDashboard.tsx

@@ -221,6 +221,7 @@ const BasicDashboard = ({ usage }: IDashboardProps) => {
                   <Link
                     to={IAM_PAGES.BUCKETS}
                     style={{
+                      zIndex: 999,
                       textDecoration: "none",
                       top: "40px",
                       position: "relative",