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/messages/zh.json

@@ -98,6 +98,8 @@
 		"unknown_search_space": "未知搜索空间",
 		"delete_chat": "删除对话",
 		"delete_chat_confirm": "您确定要删除",
+		"delete_note": "删除笔记",
+		"delete_note_confirm": "您确定要删除",
 		"action_cannot_undone": "此操作无法撤销。",
 		"deleting": "删除中...",
 		"surfsense_dashboard": "SurfSense 仪表盘",
@@ -659,7 +661,15 @@
 		"no_notes": "暂无笔记",
 		"create_new_note": "创建新笔记",
 		"error_loading_notes": "加载笔记时出错",
-		"loading": "加载中..."
+		"loading": "加载中...",
+		"deleting": "删除中...",
+		"delete": "删除",
+		"created": "创建时间",
+		"updated": "更新时间",
+		"more_options": "更多选项",
+		"clear_search": "清除搜索",
+		"view_all_notes": "查看所有笔记",
+		"add_note": "添加笔记"
 	},
 	"errors": {
 		"something_went_wrong": "出错了",