Fix more visual issues with the audio player (#11654)

* 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

app/javascript/mastodon/components/status.js

@@ -362,7 +362,8 @@ class Status extends ImmutablePureComponent {
                 src={attachment.get('url')}
                 alt={attachment.get('description')}
                 duration={attachment.getIn(['meta', 'original', 'duration'], 0)}
-                height={110}
+                peaks={[0]}
+                height={70}
               />
             )}
           </Bundle>