shield script from touch events when showing editor

0155-on.touch_press

@@ -1,4 +1,5 @@
 on.touch_press = function(id, x,y, dx,dy, pressure)
+	if Show_code then return end
 	if car.touchpressed then
 		call_protected(car.touchpressed, id, x,y, dx,dy, pressure)
 	end

0156-on.touch_release

@@ -1,4 +1,5 @@
 on.touch_release = function(id, x,y, dx,dy, pressure)
+	if Show_code then return end
 	if car.touchreleased then
 		call_protected(car.touchreleased, id, x,y, dx,dy, pressure)
 	end

0157-on.touch_move

@@ -1,4 +1,5 @@
 on.touch_move = function(id, x,y, dx,dy, pressure)
+	if Show_code then return end
 	if car.touchmoved then
 		call_protected(car.touchmoved, id, x,y, dx,dy, pressure)
 	end