fix: custom audio render audio scenario changed for mac

Author: tamworth

macOS/APIExample/Examples/Advanced/CustomAudioRender/CustomAudioRender.swift

@@ -172,7 +172,8 @@ class CustomAudioRender: BaseViewController {
             // set live broadcaster mode
             agoraKit.setChannelProfile(.liveBroadcasting)
 
-            
+            // It is necessary to use publishMicrophoneTrack(true) and pullPlaybackAudio should utilize gameStreaming.
+            agoraKit.setAudioScenario(.gameStreaming)
 
             // start joining channel
             // 1. Users can only see each other after they join the
@@ -183,7 +184,7 @@ class CustomAudioRender: BaseViewController {
             isProcessing = true
             let option = AgoraRtcChannelMediaOptions()
             option.publishCameraTrack = false
-            option.publishMicrophoneTrack = false
+            option.publishMicrophoneTrack = true
             option.autoSubscribeAudio = true
             option.autoSubscribeVideo = false
             option.channelProfile = .liveBroadcasting