[FIX] getParent() js error when clicking to fast on menu items that load a list view after loading a form view
[IMP] data: skip read_ids call when got no id (opw 604099).

This avoids making useless calls to to read the values of o2m fields when the read on a record already told us there was no ids.
[MERGE] [FIX] view_list: avoids getParent() js error when clicking to fast on menu items that load a list view after loading a form view