SPRINGFIELD — The Illinois House on Thursday approved development of new nuclear reactors, reversing a 1987 moratorium and sending to Gov. J.B. Pritzker a plan that addresses the Democrat’s safety concerns over the proposal.The 98-8 vote to allow construction of so-called small modular reactors beginning in 2026 came a day after developers of the only such project approved by federal regulators pulled the plug because of rising costs.The Illinois proposal is largely the same as one that earned overwhelming …