This should allow frontend drop the stroke logic in hijack of
`drawNodeShape`. Example usage:
```ts
node.strokeStyles["executionError"] = (this: LGraphNode) =>
app.lastNodeErrors?.[this.id] ? { colour: 'red', thickness: 2 } : undefined
```
- Updates UUIDv4 generator
- Adds a unique id & revision support to graphs
- `revision` to be incremented downstream (e.g. on save)
- `id` automatically assigned if not provided
