GCE comes before the frame data. Save the delay to use in a future call to pushFrame.
Final frame needs to be pushed when EOF is encountered. Intermediate frames are pushed when a new GCE is encountered.
- Add ability to play/pause by using `converse-rich-text`
- Make `converse-rich-text` component configurable whether the media URLs for GIF/audio/video are shown
- Add fallback options for GIFs that have errors
- Fix some GIFs getting stuck
- Add a delay of 80ms for GIFs that specify a delay of 0
- Refactor slightly and add JSDoc
- Remove the unused `loop_delay` option, to allow further simplification of the code
