feat: enhance sidebar functionality with tooltips and improved sorting

- Added tooltips to chat and note items in the sidebars, displaying creation and update timestamps.
- Implemented sorting of chats and notes by their creation or update dates for better organization.
- Updated translation keys for new UI strings related to deletion and timestamps.
- Adjusted sidebar layout for improved user experience on mobile devices.

surfsense_web/components/ui/sidebar.tsx

@@ -352,7 +352,7 @@ function SidebarContent({ className, ...props }: React.ComponentProps<"div">) {
 			data-slot="sidebar-content"
 			data-sidebar="content"
 			className={cn(
-				"flex min-h-0 flex-1 flex-col gap-2 overflow-hidden group-data-[collapsible=icon]:overflow-hidden",
+				"flex min-h-0 flex-1 flex-col gap-2 overflow-auto group-data-[collapsible=icon]:overflow-hidden",
 				className
 			)}
 			{...props}