The video posted by the op don't really explain the integration to Studio One. It shows some features that still could be done be regular VST integration. I assume they integrate it with the new Mix-FX architecture of S1, that makes it unnecessary to put in the Console 1 plugin to each seperate channel. A Mix-FX plugin can automaticalle communicate with each channel and allows thinks like crosstalking.
This is really new and exclusive to Studio One 3.2.x.
I don't expect something similar to Sonar very soon. But maybe Cakewalk do a speach with Presonus to get the same new plugin architecture, like it was with ARA.
But, an integration of Console 1 to Sonar is still present. Not as easy to do like in S1, you have to put in the plugin on each channel manually, but overall it works the same.
If this one more seamless integration thing is a reason to leave Sonar and jump on to Studio One, ok, never stop travelers.
As a user working with both, Sonar (primary) and Studio-One, I can tell you will miss so many other of this nice Sonar things if you change over.
-Markus