Lawmakers on Thursday morning inched closer to agreeing on how to boost state funding to K-12 public schools starting on July 1, even as a few senators still have plans to revive a debate over a controversial education reform bill, which could wrinkle any compromise. In amending legislation to add money to the K-12 budget in 2017-18, the Senate Appropriations Committee agreed to forgo the chamber’s plan of using local property tax money to pay for the new spending — a plan House Speaker Richard Corcoran had rejected outright as a “massive tax increase.”