Nodes2 - getConnectionPos broken

### Prerequisites

- [x] I am running the latest version of ComfyUI
- [x] I have custom nodes enabled

### What happened?

When I use getConnectionPos to get the position of an input or output it returns the wrong value

### Steps to Reproduce

1. evaluate node.getConnectionPos()
2.
3.

### How is this affecting you?

Visual/UI issue only

### ComfyUI Frontend Version

1.39.14

### Browser

Edge

### Console Errors

```javascript

```

### Logs

```shell

```

### Additional Context

_No response_

┆Issue is synchronized with this [Notion page](https://www.notion.so/Issue-9106-Nodes2-getConnectionPos-broken-3106d73d36508169819afea5eb7faf3b) by [Unito](https://www.unito.io)