[Bug] CustomView emphasis.hoverLayer not control by hoverLayerThreshold

[mt51]

Version

5.5.1

Link to Minimal Reproduction

https://echarts.apache.org/examples/zh/editor.html?c=flame-graph

Steps to Reproduce

Based on the official flame graph demo, using a large amount of data (more than 5000).

Current Behavior

When hovering the mouse over a block, the text in the flame graph is blocked, and hoverLayerThreshold cannot be used to control whether a separate hover layer is enabled.

Expected Behavior

When hovering the mouse over a block, the text in the flame graph displays correctly, or hoverLayerThreshold can be used to control whether a separate hover layer is enabled.

Environment

- OS: Macos
- Browser: Chrome
- Framework:

Any additional comments?

after debugger, this code set emphasis.hover = true when use a large amount of data .