[Bug]: Gridline plugin scale now works with zoom correctly but still when we do graph.fitView() the grid moves incorrectly

### Describe the bug / 问题描述

The Gridline plugin now does zoom when the 'zoom-canvas' happens. Yet when I execute fitView() method - the grid moves incorrectly, maybe it is because of the scale, I dont know. Could you help us please, maybe at least with some advise

### Reproduction link / 复现链接

_No response_

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

Use gridline plugin
Do fitView()

### Version / 版本

Please select / 请选择

### OS / 操作系统

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

### Browser / 浏览器

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

Start with the gridline plugin and the graph.fitView() entry point, then reproduce the issue using the listed steps in a graph with the plugin enabled. Trace how zoom-canvas scaling and fitView update the grid, and verify that the grid remains correctly aligned after fitView.

Written by the indexing model from the issue text.