formatter: Add a way to serialize encoder setting in the formatted projects files
@aleb
Submitted by Alexandru Balut Link to original bug (#742379)
Description
Steps to reproduce:
- Create a project, add a video to the timeline
- Open the render dialog, choose x264 and in advanced settings specify "Constant Quality" instead of "Constant Bitrate"
- Save the project, close the app, reopen it, load the project, notice the setting is lost.