make the node editor useable

[moonpotato]

stop the node editor auto arranging itself when you add nodes/connections

it's been talked about for years here with details, videos and rants

https://forums.autodesk.com/t5/maya-forum/node-editor-nodes-keep-rearranging/m-p/8728228#M71171

[g2m.agent]

and this:

can't move node properly! both Node Editor and Bifrost Graph

https://forums.autodesk.com/t5/bifrost-forum/bug-report-can-t-move-node-properly/td-p/9844660