fix regenerate without space age

changelog.txt

@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 2.0.3
+Date: 2025-01-14
+  Changes:
+    - Fix /bz-regenerate command when not using Space Age
+---------------------------------------------------------------------------------------------------
 Version: 2.0.2
 Date: 2025-01-09
   Changes:

control-util.lua

@@ -147,8 +147,10 @@ function regenerate_ore(event)
     for w in event.parameters:gmatch("%S+") do table.insert(params, w) end
     if #params == 1 and params[1] == "all" then
       for _, resource in pairs(me.resources) do
-        game.print("Regenerating "..resource)
-        game.regenerate_entity(resource)
+        if prototypes.entity[resource] then
+          game.print("Regenerating "..resource)
+          game.regenerate_entity(resource)
+        end
       end
       return
     end

info.json

@@ -1,6 +1,6 @@
 {
     "name": "bzsilicon",
-    "version": "2.0.2",
+    "version": "2.0.3",
     "factorio_version": "2.0",
     "title": "Silica & Silicon",
     "author": "Brevven",