Update dissonant_higgs.fcl

Add a parameter to determine whether new form factor is used

Author: jberger7

sbncode/EventGenerator/MeVPrtl/config/Higgs/dissonant_higgs.fcl

@@ -8,6 +8,7 @@ kaon2higgs: {
   tool_type: Kaon2HiggsFlux
   M: @local::higgsM
   MixingAngle: 1e-5
+  NewFormFactorModel: True
   KDAROnly: false #as written this only includes KDAR from absorber (not all KDAR)
   KDIFOnly: false #includes KDIF (from absorber or beamline)
   KDIFandBeamline: false #inlcudes KDIF from beamline, KDIF from absorber, and KDAR from beamline (this option orthogonal to "KDAROnly")