Corrected return type for SetState from JSON to String & replaced IIFE in room_chat with default builder function call.

lib/controllers/client_controller.dart

@@ -173,8 +173,8 @@ class ClientController extends AsyncNotifier<int> {
   Future<Event> sendEvent(SendEventRequest request) async =>
       Event.fromJson(await _sendCommand("send_event", request.toJson()));
 
-  Future<Event> setState(SetStateRequest request) async =>
+  Future<String?> setState(SetStateRequest request) async =>
-      Event.fromJson(await _sendCommand("set_state", request.toJson()));
+      await _sendCommand("set_state", request.toJson());
 
   Future<String?> verify(String recoveryKey) async {
     try {

lib/widgets/room_chat.dart

@@ -175,6 +175,33 @@ class RoomChat extends HookConsumerWidget {
       },
     );
 
+    PopupMenuItem buildPinOption(Event event) {
+      final isPinned = ref
+          .watch(PinnedEventsController.provider(roomId))
+          .maybeWhen(
+            data: (pinnedEvents) =>
+                pinnedEvents.any((ev) => ev.eventId == event.eventId),
+            orElse: () => false,
+          );
+
+      return PopupMenuItem(
+        onTap: () async {
+          final notifier = ref.read(
+            PinnedEventsController.provider(roomId).notifier,
+          );
+          if (isPinned) {
+            await notifier.removePin(event);
+          } else {
+            await notifier.addPin(event);
+          }
+        },
+        child: ListTile(
+          leading: Icon(isPinned ? Icons.push_pin_outlined : Icons.push_pin),
+          title: Text(isPinned ? "Unpin Event" : "Pin Event"),
+        ),
+      );
+    }
+
     IList<PopupMenuEntry> getEventOptions(Event event) {
       final danger = theme.colorScheme.error;
       final isSentByMe = event.sender == userId;
@@ -255,34 +282,7 @@ class RoomChat extends HookConsumerWidget {
             PowerLevelConfig(eventType: .pinnedEvents, roomId: roomId),
           ),
         ))
-          () {
+          buildPinOption(event),
-            final isPinned = ref
-                .watch(PinnedEventsController.provider(roomId))
-                .maybeWhen(
-                  data: (pinnedEvents) =>
-                      pinnedEvents.any((ev) => ev.eventId == event.eventId),
-                  orElse: () => false,
-                );
-
-            return PopupMenuItem(
-              onTap: () async {
-                final notifier = ref.read(
-                  PinnedEventsController.provider(roomId).notifier,
-                );
-                if (isPinned) {
-                  await notifier.removePin(event);
-                } else {
-                  await notifier.addPin(event);
-                }
-              },
-              child: ListTile(
-                leading: Icon(
-                  isPinned ? Icons.push_pin_outlined : Icons.push_pin,
-                ),
-                title: Text(isPinned ? "Unpin Event" : "Pin Event"),
-              ),
-            );
-          }(),
         PopupMenuItem(
           onTap: () async {
             final room = ref.watch(