feat: implement inbox sidebar for enhanced user notifications

- Introduced a new InboxSidebar component to manage and display inbox items.
- Integrated real-time syncing of inbox items using Electric SQL for instant updates.
- Added functionality to mark items as read, archive/unarchive, and filter inbox content.
- Updated existing components to accommodate the new inbox feature, including layout adjustments and state management.
- Enhanced user experience with improved navigation and interaction for inbox items.

surfsense_web/components/layout/ui/sidebar/index.ts

@@ -1,6 +1,7 @@
 export { AllPrivateChatsSidebar } from "./AllPrivateChatsSidebar";
 export { AllSharedChatsSidebar } from "./AllSharedChatsSidebar";
 export { ChatListItem } from "./ChatListItem";
+export { InboxSidebar } from "./InboxSidebar";
 export { MobileSidebar, MobileSidebarTrigger } from "./MobileSidebar";
 export { NavSection } from "./NavSection";
 export { PageUsageDisplay } from "./PageUsageDisplay";