src/vs/workbench/contrib/notebook/browser/notebookEditorWidget.ts/BaseCellEditorOptions/_computeEditorOptions
class BaseCellEditorOptions:	private _computeEditorOptions() {
		const editorOptions = deepClone(this.configurationService.getValue<IEditorOptions>('editor', { overrideIdentifier: this.language }));
		const layoutConfig = this.notebookOptions.getLayoutConfiguration();
		const editorOptionsOverrideRaw = layoutConfig.editorOptionsCustomizations ?? {};
		const editorOptionsOverride: { [key: string]: any } = {};
		for (const key in editorOptionsOverrideRaw) {
			if (key.indexOf('editor.') === 0) {
				editorOptionsOverride[key.substring(7)] = editorOptionsOverrideRaw[key];
			}
		}
		const computed = Object.freeze({
			...editorOptions,
			...BaseCellEditorOptions.fixedEditorOptions,
			...editorOptionsOverride,
			...{ padding: { top: 12, bottom: 12 } },
			readOnly: this.notebookEditor.isReadOnly
		});

		return computed;
	}