feat(live-room): 채팅창 얼리기 기능을 추가한다

채팅 입력 제어와 룸 상태 동기화를 통합해 지연 입장자도 동일 상태를 적용한다.

SodaLive/Sources/Live/Room/Chat/LiveRoomJoinChatItemView.swift

@@ -12,18 +12,27 @@ struct LiveRoomJoinChatItemView: View {
     let chatMessage: LiveRoomJoinChat
     
     var body: some View {
-        HStack(spacing: 0) {
-            Text("'")
-                .appFont(size: 12)
-                .foregroundColor(Color.grayee)
-            
-            Text(chatMessage.nickname)
-                .appFont(size: 12, weight: .bold)
-                .foregroundColor(Color.mainYellow)
-            
-            Text("'님이 입장하셨습니다.")
-                .appFont(size: 12)
-                .foregroundColor(Color.grayee)
+        Group {
+            if let statusMessage = chatMessage.statusMessage,
+               !statusMessage.isEmpty {
+                Text(statusMessage)
+                    .appFont(size: 12)
+                    .foregroundColor(Color.grayee)
+            } else {
+                HStack(spacing: 0) {
+                    Text("'")
+                        .appFont(size: 12)
+                        .foregroundColor(Color.grayee)
+                    
+                    Text(chatMessage.nickname)
+                        .appFont(size: 12, weight: .bold)
+                        .foregroundColor(Color.mainYellow)
+                    
+                    Text("'님이 입장하셨습니다.")
+                        .appFont(size: 12)
+                        .foregroundColor(Color.grayee)
+                }
+            }
         }
         .padding(.vertical, 6.7)
         .frame(width: screenSize().width - 86)