cocos-lua 部分界面由于获取到的节点pos为None报错导致无法加载节点树信息

:bulb:**相关项目:** AirtestIDE

**标题:** [BUG提交]cocos-lua 部分界面由于获取到的节点pos为None报错导致无法加载节点树信息

**AirtestIDE版本:** 1.2.14

**未使用本地Pyhton环境运行脚本**

**报错描述:**
    游戏已接入poco - cocos-lua，加载个别界面的节点树时报错，无法获得界面UI树信息，报错信息和节点信息粘贴在下方了

**相关截图:**

**报错Log:**
```
TypeError: float() argument must be a string or a number, not 'NoneType'
Refresh error!
poco_data: E:\AirtestIDE_New\AirtestIDE\refresh_error_data.json
Traceback (most recent call last):
File "app\plugins\poco\poco_window.py", line 347, in refreshData
File "app\plugins\poco\gui\tree.py", line 545, in loadData
File "app\plugins\poco\gui\tree.py", line 93, in __init__
File "app\plugins\poco\gui\tree.py", line 228, in setupModelData
File "app\plugins\poco\gui\tree.py", line 228, in setupModelData
File "app\plugins\poco\gui\tree.py", line 228, in setupModelData
[Previous line repeated 3 more times]
File "app\plugins\poco\gui\tree.py", line 209, in setupModelData
TypeError: float() argument must be a string or a number, not 'NoneType'
Refresh error!
poco_data: E:\AirtestIDE_New\AirtestIDE\refresh_error_data.json
Traceback (most recent call last):
File "app\plugins\poco\poco_window.py", line 347, in refreshData
File "app\plugins\poco\gui\tree.py", line 545, in loadData
File "app\plugins\poco\gui\tree.py", line 93, in __init__
File "app\plugins\poco\gui\tree.py", line 228, in setupModelData
File "app\plugins\poco\gui\tree.py", line 228, in setupModelData
File "app\plugins\poco\gui\tree.py", line 228, in setupModelData
[Previous line repeated 3 more times]
File "app\plugins\poco\gui\tree.py", line 209, in setupModelData
TypeError: float() argument must be a string or a number, not 'NoneType'
Refresh error!
poco_data: E:\AirtestIDE_New\AirtestIDE\refresh_error_data.json
```

**连接设备信息:**
设备类型 | 设备型号 | 系统版本号 | apk名称/下载链接
------------ | ------------- | ------------- | -------------
Android | onePLUS | Android 7.1 |

**提供最小可复现此BUG的代码:**
```
无
```