Notifications page

Doesn't yet allow for jumping to events

lib/widgets/room_chat.dart

@@ -78,10 +78,12 @@ final class const RoomChat({
     final hasMore = useState<bool>(true);
 
     Future<void> jumpToId(String eventId) async {
-      final index = controllerData.value?.indexWhere(
-        (element) => element.eventId == eventId,
-      );
-      if (index == null) return;
+      final index =
+          controllerData.value?.indexWhere(
+            (element) => element.eventId == eventId,
+          ) ??
+          -1;
+      if (index == -1) return;
 
       listController.value.animateToItem(
         index: index,

lib/widgets/sidebar.dart

@@ -6,6 +6,7 @@ import "package:navigation_rail_m3e/navigation_rail_m3e.dart";
 import "package:nexus/controllers/key.dart";
 import "package:nexus/controllers/spaces.dart";
 import "package:nexus/models/room.dart";
+import "package:nexus/pages/notifications.dart";
 import "package:nexus/pages/settings.dart";
 import "package:nexus/widgets/avatar_or_hash.dart";
 import "package:nexus/widgets/divider_widget.dart";
@@ -189,6 +190,15 @@ class const Sidebar({required final bool isDesktop, super.key})
                             onPressed: null,
                             icon: Icon(Icons.explore),
                           ),
+                          IconButton(
+                            tooltip: "Open notifications",
+                            onPressed: () => Navigator.of(context).push(
+                              MaterialPageRoute(
+                                builder: (_) => NotificationsPage(),
+                              ),
+                            ),
+                            icon: Icon(Icons.notifications),
+                          ),
                           IconButton(
                             tooltip: "Open settings",
                             onPressed: () => showDialog(