By Lindsay Dunsmuir and Alexandra Hudson EDINBURGH/HASTINGS, England (Reuters) – In airport lounges, parks, pubs and city squares, people gathered in front of screens across Britain on Monday to watch the state funeral of Queen Elizabeth, seeking out togetherness even far from the events. It was a public holiday and usually busy streets fell silent as young and old came together in towns, villages and cities outside London for the live broadcast of the service at Westminster Abbey and then the journey of her coffin to Windsor Castle, west of the capital. “When you can watch it with a big group…