feat: bitmasking first pass

[shawnyama]

Description

Using bitmasking to read the interaction state of the operator. For this first pass I assigninteractionStatus to hover and drag states when appropriate. I turn on the .focus class when the node is being dragged.

[mwdchang]

The way you had written utils/bitmask.ts is a mixture of domain logic (e.g. found, not found) and generic logic (e.g. bitwise-or, bitwise-and). So I am tempted to say just throw it into services folder as you can't really just take it and dump into a different project.

[YohannParis]

thank you, those functions really makes the code easier to read.