Use "Snap Playhead to Strips" option to enable playhead snapping.
Change behavior of CTRL key to invert snapping similar to transform operator.
Currently this option is disabled by default. It makes editing quite unpleasant
for me personally, but ideally I should gather feedback from more users.
Reviewed By: campbellbarton
Differential Revision: https://developer.blender.org/D11745
4e80573a76