docs(examples): fix svg icon example not working #9220 (#10013)

Author: amcdnl

src/material-examples/bottom-sheet-overview/bottom-sheet-overview-example.ts

@@ -28,4 +28,8 @@ export class BottomSheetOverviewExampleSheet {
     this.bottomSheetRef.dismiss();
     event.preventDefault();
   }
+
+  openLink(event) {
+    window.open(event.target.href);
+  }
 }