[Bug] myChart.getZr().on('mouseover', () => {}) 在空白区域不能触发

### Version

5.6.0

### Link to Minimal Reproduction

https://echarts.apache.org/examples/zh/editor.html?code=PYBwLglsB2AEC8sDeAoWsAeBBDEDOAXMmurGAJ4gCmRA5AMYCGYVA5sAE7m0A0J6AE2aMiAbVoBZGL1i0AKgFcqM2gHUqAlXIAWClQDEOEFQGVmphdFoBdEgF8-6cjnxFUpMpRqyAbowA2SrT2jrB4VEZUhLCi_MQegsJiAIwArAAMPLAATADMmTnZACxZ2ckAHFnJualVRQDspQBs6dahHhTUdP4Q0MpxdiS2dgDcKCgAtuQAwtqMHGAAdKxUYABaHAAUAJSLMJu0E8AK4cA-ETI7CAB8sPQweMD-VIv-wKwHRydUZxGwVOdoGBaNttmMprN5ksVustrt9odjqcFMCsld4Ld7tBHs9Xu9Pkifij_oDgaCRkA

### Steps to Reproduce

https://echarts.apache.org/examples/zh/editor.html?code=PYBwLglsB2AEC8sDeAoWsAeBBDEDOAXMmurGAJ4gCmRA5AMYCGYVA5sAE7m0A0J6AE2aMiAbVoBZGL1i0AKgFcqM2gHUqAlXIAWClQDEOEFQGVmphdFoBdEgF8-6cjnxFUpMpRqyAbowA2SrT2jrB4VEZUhLCi_MQegsJiAIwArAAMPLAATADMmTnZACxZ2ckAHFnJualVRQDspQBs6dahHhTUdP4Q0MpxdiS2dgDcKCgAtuQAwtqMHGAAdKxUYABaHAAUAJSLMJu0E8AK4cA-ETI7CAB8sPQweMD-VIv-wKwHRydUZxGwVOdoGBaNttmMprN5ksVustrt9odjqcFMCsld4Ld7tBHs9Xu9Pkifij_oDgaCRkA

[参考代码即可 ](https://echarts.apache.org/examples/zh/editor.html?code=PYBwLglsB2AEC8sDeAoWsAeBBDEDOAXMmurGAJ4gCmRA5AMYCGYVA5sAE7m0A0J6AE2aMiAbVoBZGL1i0AKgFcqM2gHUqAlXIAWClQDEOEFQGVmphdFoBdEgF8-6cjnxFUpMpRqyAbowA2SrT2jrB4VEZUhLCi_MQegsJiAIwArAAMPLAATADMmTnZACxZ2ckAHFnJualVRQDspQBs6dahHhTUdP4Q0MpxdiS2dgDcKCgAtuQAwtqMHGAAdKxUYABaHAAUAJSLMJu0E8AK4cA-ETI7CAB8sPQweMD-VIv-wKwHRydUZxGwVOdoGBaNttmMprN5ksVustrt9odjqcFMCsld4Ld7tBHs9Xu9Pkifij_oDgaCRkA)

### Current Behavior

myChart.getZr().on('mouseover', () => {}) 在鼠标进入空白区域时不能触发
myChart.getZr().on('mouseout', () => {}) 可以正常触发

### Expected Behavior

与文档描述不符

zrender 事件与 echarts 事件不同。前者是当鼠标在**任何地方**都会被触发，而后者是只有当鼠标在图形元素上时才能被触发

https://echarts.apache.org/handbook/zh/concepts/event/#%E7%9B%91%E5%90%AC%E2%80%9C%E7%A9%BA%E7%99%BD%E5%A4%84%E2%80%9D%E7%9A%84%E4%BA%8B%E4%BB%B6

### Environment

```markdown
- OS:Windows 11
- Browser:Edge 131.0.2903.112
- Framework: Vue@3
```

### Any additional comments?

_No response_