default values BUGFIX creating default nodes in choice's case
default values BUGFIX creating default nodes in choice's case

Fix the path and logic of creating default siblings of a present
element of a choice's case.

PavolVican/libyang,PavolVican/libyang,lukasmacko/libyang,PavolVican/libyang,PavolVican/libyang,PavolVican/libyang,lukasmacko/libyang