Load all biomes for data packs, not just thought used ones

src/main/java/com/volmit/iris/engine/data/loader/ResourceLoader.java

@@ -178,6 +178,20 @@ public class ResourceLoader<T extends IrisRegistrant> {
         return m;
     }
 
+    public KList<T> loadAll(String[] s) {
+        KList<T> m = new KList<>();
+
+        for (String i : s) {
+            T t = load(i);
+
+            if (t != null) {
+                m.add(t);
+            }
+        }
+
+        return m;
+    }
+
     public T load(String name) {
         return load(name, true);
     }