[Bug] Pinch to zoom does not on firefox mobile

[anisse]

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

- 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

[daxcore]

Would anybody support my PR #21068 to bring this fix live?

[frontmatec-phd]

Please prioritize this issue, it really is overly sensitive when zooming/pinching 🙏 It seems like the PR has a simple fix for it.