[Bug] Pinch to zoom does not on firefox mobile

### Version

5.6.0

### Link to Minimal Reproduction

https://echarts.apache.org/examples/en/editor.html?c=map-usa

### Steps to Reproduce

Open https://echarts.apache.org/examples/en/editor.html?c=map-usa on an Android device running Firefox mobile. Use your fingers to pinch into the map.

### Current Behavior

Does not zoom-in, or step-by-step. Zooms out though.

### Expected Behavior

Actual zoom-in and zoom-out.

### Environment

```markdown
- OS: Android 15
- Browser: Firefox Mobile 138.0b8
- Framework: echarts 5.6.0
```

### Any additional comments?

Could be related on the fact that it zooms too quickly: #18113