feat: optimize code based on comment

Signed-off-by: SuZhou-Joe <[email protected]>

src/plugins/management/public/plugin.ts

@@ -136,7 +136,7 @@ export class ManagementPlugin implements Plugin<ManagementSetup, ManagementStart
           coreStart.chrome.navLinks.getAll()
         ).filter((item) => !item.hidden),
         (currentItem, parentItem) => {
-          // Hide sub items because we will only show parent item in landing page.
+          // Hide all the sub items because we will only show parent item in landing page.
           if (
             currentItem.itemType === LinkItemType.LINK &&
             parentItem?.itemType === LinkItemType.PARENT_LINK