src/vs/workbench/contrib/notebook/browser/contrib/find/findController.ts/NotebookFindWidget/replaceOne
class NotebookFindWidget:	protected replaceOne() {
		if (!this._findModel.findMatches.length) {
			return;
		}

		this._findModel.ensureFindMatches();

		if (this._findModel.currentMatch < 0) {
			this._findModel.find(false);
		}

		const { cell, match } = this._findModel.getCurrentMatch();
		this._progressBar.infinite().show();

		this._notebookEditor.viewModel!.replaceOne(cell, match.range, this.replaceValue).then(() => {
			this._progressBar.stop();
		});
	}