Make reduction value of dynamics compressor zero when no sources are connected

Source/modules/webaudio/DynamicsCompressorNode.cpp

Index: Source/modules/webaudio/DynamicsCompressorNode.cpp
diff --git a/Source/modules/webaudio/DynamicsCompressorNode.cpp b/Source/modules/webaudio/DynamicsCompressorNode.cpp
index 787c78bb9d4d18e6b46f2e859132239788766d9c..dd64c20eca31f879efc22b4d091c5015082e5b1d 100644
--- a/Source/modules/webaudio/DynamicsCompressorNode.cpp
+++ b/Source/modules/webaudio/DynamicsCompressorNode.cpp
@@ -108,6 +108,11 @@ void DynamicsCompressorNode::uninitialize()
     AudioNode::uninitialize();
 }
 
+void DynamicsCompressorNode::clearInternalStateWhenDisabled()
+{
+    m_reduction->setValue(0);
+}
+
 double DynamicsCompressorNode::tailTime() const
 {
     return m_dynamicsCompressor->tailTime();