After travel restrictions eased between Ireland and the United States last summer, Karen Peacock, the chief executive of Intercom, flew to Dublin. She’d been unable to travel for months and was excited to replace Zoom calls with in-person meetings. Peacock would go for long walks along Dublin’s canals with its senior team, often winding past the construction site of Intercom’s new 113,000 sq ft European headquarters on Adelaide Road. “It was a chance to talk about the company, where we are going, our families,” she recalls. “We’d walk for an hour or even two hours at a time.” There was…