Align ddn_layout param default with that in lq_checkout

Author: gruuya

splitgraph/core/image.py

@@ -129,7 +129,9 @@ def get_table(self, table_name: str) -> Table:
         )
 
     @manage_audit
-    def checkout(self, force: bool = False, layered: bool = False, ddn_layout: bool = True) -> None:
+    def checkout(
+        self, force: bool = False, layered: bool = False, ddn_layout: bool = False
+    ) -> None:
         """
         Checks the image out, changing the current HEAD pointer. Raises an error
         if there are pending changes to its checkout.