Bug 368320

While working in the timeline on projects, I often select multiple clips stashed away towards the end of the project, then move them to their correct place. I then need to resize the trailing clip in this selection in order to match it with an audio track with voice over. However, resizing the clip isn't possible until I deselect all clips. Of course, clicking somewhere in the timeline deselects all, but also looses the current playhead position.

Thus, it would be helpful to add a new action that is basically the opposite to select all, and other selection action: unselect all. This would improve the workflow as I can now quickly deselect using one hand and the action shortcut, then resize immediately using the mouse and the other hand.

Reproducible: Always