Add parent disclosure for core components

src/frontend/src/pages/FlowPage/components/extraSidebarComponent/index.tsx

@@ -277,8 +277,7 @@ export default function ExtraSidebar(): JSX.Element {
         >
           <IconComponent
             name={search ? "X" : "Search"}
-            className={`h-5 w-5 stroke-[1.5] text-primary ${
+            className={`h-5 w-5 stroke-[1.5] text-primary ${search ? "cursor-pointer" : "cursor-default"
-              search ? "cursor-pointer" : "cursor-default"
               }`}
             aria-hidden="true"
           />
@@ -286,6 +285,15 @@ export default function ExtraSidebar(): JSX.Element {
       </div>
       <Separator />
       <div className="side-bar-components-div-arrangement">
+        <div
+          className="parent-disclosure-arrangement"
+        >
+          <div className="flex gap-4 items-center align-middle">
+            <span className="parent-disclosure-title">
+              Core Components
+            </span>
+          </div>
+        </div>
         {Object.keys(dataFilter)
           .sort(sortKeys)
           .filter((x) => PRIORITY_SIDEBAR_ORDER.includes(x))