add url validation

tool.py

@@ -216,10 +216,6 @@ class BrightDataDatasetTool(Tool):
                 return self._ensure_scheme(raw)
 
         if isinstance(raw, dict):
-            url_value = raw.get("url")
-            if isinstance(url_value, str) and url_value.startswith(("http://", "https://")):
-                return url_value
-
             orig_name = raw.get("orig_name")
             if (
                 isinstance(orig_name, str)
@@ -228,6 +224,10 @@ class BrightDataDatasetTool(Tool):
             ):
                 return self._ensure_scheme(orig_name)
 
+            url_value = raw.get("url")
+            if isinstance(url_value, str) and url_value.startswith(("http://", "https://")):
+                return url_value
+
         return None
 
     def _ensure_scheme(self, url: str) -> str: