src/vs/workbench/contrib/comments/browser/commentThreadWidget.ts/ReviewZoneWidget/hideReplyArea
class ReviewZoneWidget:	private hideReplyArea() {
		if (this._commentReplyComponent) {
			this._commentReplyComponent.editor.setValue('');
			this._commentReplyComponent.editor.getDomNode()!.style.outline = '';
		}
		this._pendingComment = '';
		this._commentReplyComponent?.form.classList.remove('expand');
		this._error.textContent = '';
		this._error.classList.add('hidden');
	}