src/vs/workbench/contrib/notebook/browser/view/cellParts/codeCell.ts/CodeCell/updateEditorForFocusModeChange
class CodeCell:	private updateEditorForFocusModeChange() {
		if (this.shouldUpdateDOMFocus()) {
			this.templateData.editor?.focus();
		}

		this.templateData.container.classList.toggle('cell-editor-focus', this.viewCell.focusMode === CellFocusMode.Editor);
		this.templateData.container.classList.toggle('cell-output-focus', this.viewCell.focusMode === CellFocusMode.Output);
	}