Improve HK sidebar and restore nested content scrolling

src/app/admin/layout.tsx

@@ -49,7 +49,7 @@ export default async function AdminLayout({
 			<AdminMobileWrapper sidebar={<Sidebar staff={staff} />}>
 				<div
 					data-admin
-					className="flex flex-col min-w-0 p-5 lg:p-6 min-h-screen"
+					className="flex flex-col min-w-0 p-5 lg:p-6 min-h-full"
 					style={{ backgroundColor: "var(--admin-canvas)" }}
 				>
 					<AdminTopbar staff={staff} />