highcharts / highcharts/node-export-server

chart rendering breaks around 5000 x-Axis data points

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health/perfo
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JavaScript
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Description

node v20
highcharts version 10.4.0
export server version: 3.1.1

#### Expected behaviour

##### Graph rendered correctly (4999 data points)
![image](https://github.com/highcharts/node-export-server/assets/1853373/8801fbb0-2427-4c55-8aab-a6447c03e841)

#### Actual behaviour

##### Graph rendered with increasing errors (5000 data points)
![image](https://github.com/highcharts/node-export-server/assets/1853373/9ab18501-ccb7-48da-90f5-e755d3be9054)

graph don't start at the same point any more

##### Graph broken (5001 data points)
![image](https://github.com/highcharts/node-export-server/assets/1853373/2847af84-62fa-4e41-afc5-82cd9937e666)

graph is missing 3/4 of data

#### Reproduction steps
infiles for the cases:

[working json](https://drive.google.com/file/d/15yjVXNN1sWloHGm6eRBON1m0kO9jvk2_/view?usp=sharing)

[partially broken](https://drive.google.com/file/d/15zf40-IXeGW0Zcgtu3_3rcnL5iVViyak/view?usp=sharing)

[broken](https://drive.google.com/file/d/164PgHQPl7LrCB4SLmzk_16w71sxNIU95/view?usp=sharing)

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