fix: 修复麦克风图标显示异常的问题

Lanu/Views/Room/Bottom/Mic/LNRoomBottomMicView.swift

@@ -37,14 +37,14 @@ extension LNRoomBottomMicView: LNRoomViewModelNotify {
         if let seat = roomSession?.mySeatInfo {
             isHidden = false
             if seat.isMute {
-                setImage(.icMicOffWhite15, for: .normal)
+                setBackgroundImage(.icMicOffWhite15, for: .normal)
                 isEnabled = false
             } else {
                 isEnabled = true
                 if seat.isLocalMute {
-                    setImage(.icMicOffWhite15, for: .normal)
+                    setBackgroundImage(.icMicOffWhite15, for: .normal)
                 } else {
-                    setImage(.icMicOn, for: .normal)
+                    setBackgroundImage(.icMicOn, for: .normal)
                 }
             }
         } else {