Add visualization of check watches as an overlay on the relationships part of the visualizer

[tstirrat15]

We've got the information in the checkwatch data to be able to overlay or highlight the path that a particular permission is walking. The idea would be to add a visualization toggle to the checkwatch panel that lets you see the path for a particular check.

[tstirrat15]

One possible end-state of this would be having the check watches panel in the top, and then having the schema and relationships in a split pane at the bottom, such that a highlighted check watch would show you the paths through both relationships and schema