* Fix audio download button not starting download in web UI
* Fix volume controls on audio and video players in web UI
* Remove download button from video player in web UI
* Fix more visual issues with the audio player
- Add horizontal baseline in the middle of waveform
- Fix audio player colors in light theme
- Use audio element instead of web audio API
- Do not render any bars until the file is loaded
- Do not allow interactions with waveform until the file is loaded
* Fix code style issue