Regex disabled when disabling output on Notebook Find Widget

[andreamah]

Although we're not searching in the webview, regex is disabled.

Also, I can toggle regex when output is enabled- I'm not too sure if this is as intended, since I don't think we have support for regex search in outputs

vscode/src/vs/workbench/contrib/notebook/browser/view/renderers/webviewMessages.ts

Line 399 in 72bbdd1

readonly options: { wholeWord?: boolean; caseSensitive?: boolean; includeMarkup: boolean; includeOutput: boolean; shouldGetSearchPreviewInfo: boolean };