Trim existing transitions by dragging the clips' trimming handles
@jeff
Submitted by Jeff F.T. Assigned to Thibault Saunier @thiblahute
Description
- place two clips on the timeline, and make a transition by overlapping B on A.
- drag the trimming handles of A to make it longer or shorter
Result: A is trimmed back so that there is no transition anymore.
Imported from https://bugzilla.gnome.org/show_bug.cgi?id=615221