Synchronize muted channel state

client.go

@@ -123,7 +123,9 @@ func (b *Barnard) OnConnect(e *gumble.ConnectEvent) {
 	b.Client = e.Client
 
 	// Reset muted channels state on connect
+	b.MutedChannelsMutex.Lock()
 	b.MutedChannels = make(map[uint32]bool)
+	b.MutedChannelsMutex.Unlock()
 	b.userChannels = make(map[uint32]*gumble.Channel)
 	b.RecordingMutex.Lock()
 	b.recordingAllowed = nil
@@ -279,7 +281,7 @@ func (b *Barnard) OnUserChange(e *gumble.UserChangeEvent) {
 		// Check if user is joining a muted channel
 		if e.Type.Has(gumble.UserChangeConnected) || e.Type.Has(gumble.UserChangeChannel) {
 			// If the channel is muted, ensure the user is muted
-			if b.MutedChannels[e.User.Channel.ID] {
+			if b.isChannelMuted(e.User.Channel.ID) {
 				// Only mute if not already muted
 				if !e.User.LocallyMuted() {
 					b.UserConfig.ToggleMute(e.User)