feat: light mode theme update

src/lib/components/layout/Sidebar/ChatMenu.svelte

@@ -25,7 +25,7 @@
 
 	<div slot="content">
 		<DropdownMenu.Content
-			class="w-full max-w-[130px] rounded-lg px-1 py-1.5 border border-gray-700/50 z-50 bg-gray-850 text-white"
+			class="w-full max-w-[130px] rounded-lg px-1 py-1.5 border border-gray-300/30 dark:border-gray-700/50 z-50 bg-white dark:bg-gray-850 dark:text-white shadow"
 			sideOffset={-2}
 			side="bottom"
 			align="start"