LONDON (Reuters) – British consumer confidence sank to levels last seen in late 2020 this month due to worries about galloping inflation, higher interest rates and the war in Ukraine, a survey showed on Friday. The GfK Consumer Confidence Index fell for the fourth month in a row to -31 from -26 in February, its lowest since November 2020, deep in the coronavirus pandemic. Readings of -30 and below have presaged recession on four out of five occasions since the survey started in 1974. The survey’s gauge of personal finances for the coming year slumped to a joint record low, matched only by July…