The International Monetary Fund cut its growth outlook on Tuesday due to Iran war-driven energy price spikes and supply disruptions and warned that the global economy would teeter on the brink of recession if the conflict worsens and oil stays above $100 per barrel through 2027.With massive uncertainty over the Middle East conflict gripping finance officials gathering for IMF and World Bank spring meetings in Washington, the IMF presented three growth scenarios: weaker, worse and severe, depending on how the war unfolds.The World Economic Outlook‘s most optimistic “reference scenario” assumes a short-lived Iran war and forecasts 3.1 per cent real…