LibWeb: Initialize OfflineAudioContext with correct defaults

Author: https://github.com/tcl3
Commit: 27dbe49f00
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3175
Reviewed-by: https://github.com/AtkinsSJ ✅

Libraries/LibWeb/WebAudio/AudioNode.cpp

@@ -12,9 +12,10 @@ namespace Web::WebAudio {
 
 GC_DEFINE_ALLOCATOR(AudioNode);
 
-AudioNode::AudioNode(JS::Realm& realm, GC::Ref<BaseAudioContext> context)
+AudioNode::AudioNode(JS::Realm& realm, GC::Ref<BaseAudioContext> context, WebIDL::UnsignedLong channel_count)
     : DOM::EventTarget(realm)
     , m_context(context)
+    , m_channel_count(channel_count)
 
 {
 }