Invert DestroyElements* delete_children value
Refs https://redmine.teklia.com/issues/8209
The destroy_children value should default to True as it's the most common case needed by users, and also prevent creating holes in paths.
Refs https://redmine.teklia.com/issues/8209
The destroy_children value should default to True as it's the most common case needed by users, and also prevent creating holes in paths.