src/vs/workbench/contrib/notebook/browser/view/cellParts/cellComments.ts/CellComments/_bindListeners
class CellComments:	private _bindListeners() {
		this.cellDisposables.add(this.commentService.onDidUpdateCommentThreads(async () => {
			if (this.currentElement) {
				const info = await this._getCommentThreadForCell(this.currentElement);
				if (!this._commentThreadWidget && info) {
					this._createCommentTheadWidget(info.owner, info.thread);
					const layoutInfo = (this.currentElement as CodeCellViewModel).layoutInfo;
					this.container.style.top = `${layoutInfo.outputContainerOffset + layoutInfo.outputTotalHeight}px`;

					this.currentElement.commentHeight = dom.getClientArea(this._commentThreadWidget!.container).height;

					return;
				}

				if (this._commentThreadWidget) {
					if (info) {
						this._commentThreadWidget.updateCommentThread(info.thread);
						this.currentElement.commentHeight = dom.getClientArea(this._commentThreadWidget.container).height;
					} else {
						this._commentThreadWidget.dispose();
						this.currentElement.commentHeight = 0;
					}
				}
			}
		}));
	}