feat: support menu / dropdown items to have selected state (#7078)

src/components/dropdownMenu/DropdownMenuItemCustom.tsx

@@ -3,15 +3,19 @@ import React from "react";
 const DropdownMenuItemCustom = ({
   children,
   className = "",
+  selected,
   ...rest
 }: {
   children: React.ReactNode;
   className?: string;
+  selected?: boolean;
 } & React.HTMLAttributes<HTMLDivElement>) => {
   return (
     <div
       {...rest}
-      className={`dropdown-menu-item-base dropdown-menu-item-custom ${className}`.trim()}
+      className={`dropdown-menu-item-base dropdown-menu-item-custom ${className} ${
+        selected ? `dropdown-menu-item--selected` : ``
+      }`.trim()}
     >
       {children}
     </div>