Fix breakage of the old Lua API due to recent changes

Specifically, the CPos::CenterPosition -> Map::CenterOfCell rename (#5758),
as well as the additional argument to Paradrop::SetLZ (#5695).

mods/cnc/maps/gdi03/gdi03.lua

@@ -11,7 +11,7 @@ end
 AttackPlayer = function()
 	if not Actor.IsDead(NodBarracks) then
 		Production.BuildWithPerFactoryQueue(NodBarracks, "e1", 5)
-		attackSquad = Team.New(Map.FindUnitsInCircle(enemy, NodBarracks.location, 3))
+		attackSquad = Team.New(Map.FindUnitsInCircle(enemy, NodBarracks, 3))
 		Team.Do(attackSquad, function(unit)
 			Actor.AttackMove(unit, waypoint9.location)
 			Actor.Hunt(unit)
@@ -38,4 +38,4 @@ Tick = function()
 	if Mission.RequiredUnitsAreDestroyed(enemy) then
 		MissionAccomplished()
 	end
-end
+end