By Stefan Boscia The chair of the UK’s biggest retailer has praised Labour’s economic plans and said “there’s only one team on the field” – Sir Keir Starmer’s party. Tesco chair John Allan today said “I don’t think we’ve seen a growth plan from the Conservatives”, but that “we’ve seen the beginnings, I think, of a quite plausible growth plan from Labour”. Tesco is the country’s biggest private sector employer, with around 350,000 staff across the country. Allan’s comments come after a series of polls this month have shown Labour is trusted more on the economy than the Conservatives in the wake…