Allow sliding the timeline in comparison mode

[mariusstrom]

Is your feature request related to a problem? Please describe.
One of the challenges in comparing shots is sometimes they're time offset to one another - for example, PI exit on one shot is 2 seconds later than another, and so when comparing you're not looking at comparison in solely y-axis, but you also have to figure out your time comparison as well.

Describe the solution you'd like
It would be awesome if -- while in a comparison view -- the user could drag left/right to move the 0-point on the time axis for the comparison shot to see them overlaid on a common time domain based.

Describe alternatives you've considered
No alternatives.

Additional context
The X-Axis labels probably relative rather than absolute in this mode.

[miharekar]

Sounds amazing. I lack the skills to do it though 😅

I've been playing around for a couple of hours with series.dragDrop with xrange demo as a guiding star, but I didn't make any progress.

If you can do it, or if you know a JS dev who can, I'll more than welcome a PR with support for this.