Utility function that returns newly constructed sound node that has been added to provided SoundCue's Node Graph. SoundCue - SoundCue to insert the constructed node into. InParentNode - If not null, Node to set as parent of constructed child. Column - (Optional) If positive, sets visual column of node in built graph as displayed in the SoundCueEditor. Columns are indexed as positive to the left from the root (index 0). Can be viewed when using the 'Copy To SoundCue' action of the given template. Row - (Optional) If positive, sets visual row of node in built graph as displayed in the SoundCueEditor. Columns are indexed as positive descending from the root (index 0). Can be viewed when using the 'Copy To SoundCue' action of the given template. InputPinIndex - (Optional) If InParentNode set, supplies index of input pin to connect newly constructed ChildNode to. InputPinDisplayName - (Optional) Name to set the targeted input pin to.