[Bug]: zoomBy origin only works when animation is turned off

### Describe the bug / 问题描述

Calling `zoomBy` with `origin` set will only work if animation is off.

### Reproduction link / 复现链接

https://codesandbox.io/p/devbox/vite-react-forked-qryx9c

### Steps to Reproduce the Bug or Issue / 重现步骤

Call `graph.zoomBy` with animation on, and an origin.

e.g.
```
const graph = new Graph({
animation: { duration: 300 } // set something here
...
});
graph.zoomBy(1.1, undefined, [100, 100]);
```
or
```
graph.zoomBy(1.1, { duration: 300 }, [100, 100]);
```

The origin parameter is ignored. If you then turn animations off, e.g. with `graph.zoomBy(1.1, false, [100, 100])`, the origin will be respected.

### Version / 版本

🆕 5.x

### OS / 操作系统

- [x] macOS
- [ ] Windows
- [ ] Linux
- [ ] Others / 其他

### Browser / 浏览器

- [ ] Chrome
- [ ] Edge
- [x] Firefox
- [ ] Safari (Limited support / 有限支持)
- [ ] IE (Nonsupport / 不支持)
- [ ] Others / 其他

Start with the graph.zoomBy calls and the linked CodeSandbox reproduction, comparing animation enabled with animation disabled and an origin of [100, 100]. Trace the zoomBy animation path and verify that the origin is respected during animated zooming as well as immediate zooming.

Written by the indexing model from the issue text.