fix: 修复申请上麦红点显示 0 的问题

Lanu/Views/Room/Bottom/Join/LNRoomJoinMenuView.swift

@@ -80,14 +80,14 @@ extension LNRoomJoinMenuView: LNRoomViewModelNotify {
         if roomSession.mySeatInfo == nil { // 还没上麦
             if roomSession.waitingForSeat {
                 curState = .appling
-                redCountView.isHidden = false
+                redCountView.isHidden = roomSession.seatApplyCount == 0
             } else {
                 curState = .normal
             }
         } else { // 在麦上
             if roomSession.mySeatInfo?.index == .host {
                 curState = .reviewing
-                redCountView.isHidden = false
+                redCountView.isHidden = roomSession.seatApplyCount == 0
             } else {
                 curState = .onMic
             }