WASHINGTON — In the early hours of Monday morning, Joe Biden’s campaign sent an email to state leaders offering to connect them with desperately needed coronavirus resources. But at least two Republican states believe they never got the email, while one governor’s office said the campaign’s efforts to insert themselves in the pandemic was only making their jobs harder. In the email obtained by The Post, Biden’s political chief of staff Stacy Eichner told state officials that the former veep’s presidential campaign had received a “significant number of offers” from organizations and people eager to offer resource