By David Milliken LONDON (Reuters) – British inflation is on track to peak at a 30-year high of over 7% in April but differences in forecasts for energy prices and wages mean private-sector economists and the Bank of England are split over what happens next. A Reuters poll of economists this week showed inflation plunging back to 2.2% in the three months to June 30 2023, mirroring the sharp fall after inflation last reached this high in Britain in the early 1990s. But the BoE’s Feb. 3 forecast predicts inflation of around 3.5% in Q2 2023, saying it will not fall close to its 2% target until ea…