since highcharts boost module forced line width = 1px limitation, I want to use boost-canvas as default with disable WebGL.
I found some discussions:
viewtopic.php?t=39846
https://github.com/highcharts/highcharts/issues/7670
https://github.com/highcharts/highcharts/issues/7610
https://github.com/highcharts/highcharts/issues/10758
I have tried `window.WebGLRenderingContext = undefined`, but give me an error:
```
TypeError: h.eachAsync is not a function
renderCanvas boost.src.js:2953
a boost.src.js:3374
b highcharts.src.js:2582
renderSeries highcharts.src.js:30838
renderSeries highcharts.src.js:30833
render highcharts.src.js:30985
firstRender highcharts.src.js:31201
init highcharts.src.js:29470
e highcharts.src.js:1384
init highcharts.src.js:29390
getArgs highcharts.src.js:29377
f highcharts.src.js:29371
C stock.src.js:10157
```
Is there any practice to make boost-canvas as default ?
Thanks.