feat(rtc): 更新RTC频道详情并初始化用户信息

- 导入全局数据控制器以获取用户信息
- 在加入RTC频道后构造当前用户的座位信息
- 根据用户角色设置麦克风和视频状态
- 更新RTC频道详情中的男女观众信息
- 保持原有音频发布逻辑不变

lib/controller/discover/room_controller.dart

@@ -1,4 +1,5 @@
 import 'package:agora_rtc_engine/agora_rtc_engine.dart';
+import 'package:dating_touchme_app/controller/global.dart';
 import 'package:dating_touchme_app/model/rtc/rtc_channel_data.dart';
 import 'package:dating_touchme_app/model/rtc/rtc_channel_detail.dart';
 import 'package:dating_touchme_app/network/network_service.dart';
@@ -177,6 +178,24 @@ class RoomController extends GetxController {
     } else {
       await RTCManager.instance.publishAudio();
     }
+    RtcSeatUserInfo userInfo = RtcSeatUserInfo(
+        miId: GlobalData().userData?.id ?? '',
+        userId: GlobalData().userData?.id ?? '',
+        nickName: GlobalData().userData?.nickName ?? '',
+        profilePhoto: GlobalData().userData?.profilePhoto ?? '',
+        seatNumber: role == CurrentRole.maleAudience ? 1 : 2,
+        isFriend: false,
+        isMicrophoneOn: true,
+        isVideoOn: role == CurrentRole.maleAudience || role == CurrentRole.femaleAudience ? true : false,
+        genderCode: GlobalData().userData?.genderCode ?? 0,
+    );
+    final newDetail = RtcChannelDetail(
+      channelId: rtcChannelDetail.value!.channelId,
+      anchorInfo: rtcChannelDetail.value!.anchorInfo,
+      maleInfo: role == CurrentRole.maleAudience ? userInfo : null,
+      femaleInfo: role == CurrentRole.femaleAudience ? userInfo : null,
+    );
+    rtcChannelDetail.value = newDetail;
     isLive = true;
   }