Fix generated language resource duplication

src/main/resources/assets/crusty_chunks/lang/en_us.json

@@ -1,3 +0,0 @@
-{
-  "itemGroup.crusty_chunks.warium": "Warium"
-}

tools/generate_port_sources.py

@@ -25,6 +25,7 @@ def main() -> None:
         standalone_items = sorted(name for name in item_model_names if name not in set(block_names))
 
         extract_resources(archive)
+        merge_language_defaults()
 
         inventory = {
             "source": "Warium 1.2.7",
@@ -137,5 +138,15 @@ def write_generated_registries(blocks: list[str], items: list[str]) -> None:
     (package_dir / "GeneratedRegistries.java").write_text("\n".join(lines), encoding="utf-8")
 
 
+def merge_language_defaults() -> None:
+    lang_path = GENERATED_RESOURCES / "assets" / MODID / "lang" / "en_us.json"
+    if lang_path.exists():
+        data = json.loads(lang_path.read_text(encoding="utf-8"))
+    else:
+        data = {}
+    data.setdefault("itemGroup.crusty_chunks.warium", "Warium")
+    write_json(lang_path, data)
+
+
 if __name__ == "__main__":
     main()