Last QoL PR for now..

This adds buttons to the alt click context menu:

And it adds a brief description of each conflict to the status tooltip:

There's three cases for now. The first is just a basic file conflict, the second is if there's a type conflict (file, directory, symlink, etc), and the third is self-explanatory.

We'll need to come up with a proper design for how we show conflicts, so this implementation is just to not leave users in the dark if they run into any.