Custom dialog removes leading whitespace from lines

[usernamehw]

"window.dialogStyle": "custom",

Example if you use JSON.stringify(object, null, ' ') native dialog preserves the whitespaces:

And custom dialog deletes them:

[bpasero]

This would require something like white-space: pre here:

vscode/src/vs/base/browser/ui/dialog/dialog.css

Line 78 in e5faffe

white-space: normal;

Not sure if the normal had an intentional reasoning.