Restore forcing of lists to be external storage. (#15502)

#13609 had a bad
merge and ended up reverting part of
#13846.

This just restores the reverted bits, so we go back to forcing lists
to be external storage.

src/app/zap-templates/zcl/zcl.json

@@ -88,5 +88,7 @@
             "commandDiscovery": true
         }
     },
+    "listsUseAttributeAccessInterface": true,
+    "attributeAccessInterfaceAttributes": {},
     "defaultReportingPolicy": "mandatory"
 }