Riku Ishikawa

I think the problem is in the process of getting the target TempCookFolder inside `FHoudiniEngineCommands::CleanUpTempFolder()`. ```c++ for (TObjectIterator It; It; ++It) { FString CookFolder = It->TemporaryCookFolder.Path; if (CookFolder.IsEmpty()) continue; TempCookFolders.AddUnique(CookFolder);...

I expelicitly set `echoCancellation` and `noiseSuppression` to false to disable audio effects applied by the browser. I combined the MediaStreams into one and added the AudioTrack and VideoTrack to it....

For consistency with other features, I added the hotkey 'a' for audio. Along with this, an issue arose from the timing of initilizing the audio element reference, so I replaced...