v2.1.0-rc.5

Changes since v2.1.0-rc.4

• fix(compositor): no Full Camera trail on a clip's first frame when its start is inexact in f32
• fix(preview): restart the playback clock at the requested time on a held frame
• fix(preview): recompose a paused frame at the time it was shown at

Full Changelog: v2.1.0-rc.4...v2.1.0-rc.5