treewide sweepfixes

lib/helpers/extensions/room_destinations.dart

@@ -0,0 +1,23 @@
+import "package:fast_immutable_collections/fast_immutable_collections.dart";
+import "package:material_ui/material_ui.dart";
+import "package:navigation_rail_m3e/navigation_rail_m3e.dart";
+import "package:nexus/models/room.dart";
+import "package:nexus/widgets/avatar_or_hash.dart";
+
+extension RoomDestinations on IList<Room> {
+  List<NavigationRailM3EDestination> toDestinations({required bool isDm}) =>
+      map(
+        (room) => NavigationRailM3EDestination(
+          label: room.metadata?.name ?? "Unnamed Room",
+          badgeCount: switch (room.metadata?.unreadNotifications) {
+            0 || null => room.metadata?.unreadMessages == 0 ? null : 0,
+            int unread => unread,
+          },
+          icon: AvatarOrHash(
+            room.metadata?.avatar,
+            room.metadata?.name ?? "Unnamed Room",
+            fallback: isDm ? null : const Icon(Icons.numbers),
+          ),
+        ),
+      ).toList();
+}