FRANKFURT (Reuters) – Europe’s effort to wean its economy off Russian gas is likely to be a persistent boost to inflation even beyond the current spike, European Central Bank board member Isabel Schnabel said on Thursday. After Russia’s invasion of Ukraine last month, European Union leaders agreed to accelerate the bloc’s green transition, heralding an abundance of investment in renewable energy. In the foreseeable future, the conflict is likely to remain a key contributor to inflation, as any marked decline in fossil energy prices seems unlikely, Schnabel said in a speech to a financial confe…