By Alessandro Diviggiano, Ryan Woo and Winni Zhou BEIJING/SHANGHAI (Reuters) – Hearses bearing the dead lined the driveway to a designated COVID-19 crematorium in the Chinese capital on Saturday while workers at the city’s dozen funeral homes were busier than normal, days after China reversed tight pandemic restrictions. In recent days in Beijing the spread of the highly transmissible Omicron variant has hit services from catering to parcel deliveries. Funeral homes and crematoriums across the city of 22 million are also struggling to keep up with demand as more workers and drivers testing pos…