fix(Fire): Fix errant InFlight check for Scorch

HeroRotation_Mage/Fire.lua

@@ -521,7 +521,8 @@ local function StandardRotation()
     if Cast(S.Flamestrike, nil, nil, not Target:IsInRange(40)) then return "flamestrike standard_rotation 12"; end
   end
   -- scorch,if=improved_scorch.active&debuff.improved_scorch.remains<action.pyroblast.cast_time+5*gcd.max&buff.fury_of_the_sun_king.up&!action.scorch.in_flight
-  if S.Scorch:IsReady() and (ImprovedScorchActive() and Target:DebuffRemains(S.ImprovedScorchDebuff) < S.Pyroblast:CastTime() + 5 * GCDMax and Player:BuffUp(S.FuryoftheSunKingBuff) and not S.Scorch:InFlight()) then
+  -- Note: Using IsCasting check for !action.scorch.in_flight, since Scorch is an instant hit ability with no travel time.
+  if S.Scorch:IsReady() and (ImprovedScorchActive() and Target:DebuffRemains(S.ImprovedScorchDebuff) < S.Pyroblast:CastTime() + 5 * GCDMax and Player:BuffUp(S.FuryoftheSunKingBuff) and not Player:IsCasting(S.Scorch)) then
     if Cast(S.Scorch, nil, nil, not Target:IsSpellInRange(S.Scorch)) then return "scorch standard_rotation 13"; end
   end
   -- pyroblast,if=buff.fury_of_the_sun_king.up&buff.fury_of_the_sun_king.expiration_delay_remains=0