Factorio: Make it possible to use rocket part in blueprint parameterization. (#4396)

This allows for example, making a blueprint of your rocket silo with requester chests specifying a request for the 2-8 rocket part ingredients needed to build the rocket.

worlds/factorio/data/mod_template/data-final-fixes.lua

@@ -1,6 +1,7 @@
 {% from "macros.lua" import dict_to_recipe, variable_to_lua %}
 -- this file gets written automatically by the Archipelago Randomizer and is in its raw form a Jinja2 Template
 require('lib')
+data.raw["item"]["rocket-part"].hidden = false
 data.raw["rocket-silo"]["rocket-silo"].fluid_boxes = {
     {
         production_type = "input",