set batch=False as default in open groups as dict

Author: Mikejmnez

xarray/backends/pydap_.py

@@ -389,6 +389,7 @@ def open_groups_as_dict(
         timeout=None,
         verify=None,
         user_charset=None,
+        batch=False,
     ) -> dict[str, Dataset]:
         from xarray.core.treenode import NodePath
 
@@ -400,6 +401,7 @@ def open_groups_as_dict(
             timeout=timeout,
             verify=verify,
             user_charset=user_charset,
+            batch=batch,
         )
 
         # Check for a group and make it a parent if it exists