By Marek Strzelecki WARSAW (Reuters) -The Polish government passed a draft bill to create an 8 billion zloty ($1.75 billion) fund to help war refugees from Ukraine. The United Nations estimates more than 1.5 million people have fled Ukraine since Russia attacked its neighbour on Feb. 24. More than 1 million have crossed the border into Poland. Many thousands have been hosted across the country, but the aid effort has been predominantly shouldered by non-governmental organizations, volunteers and municipalities. The legislation aims to allow the funding of food and temporary lodgings for refuge…