The purpose of this key was to force the form view to be in edit mode directly when opening a record, in specific actions. This is now automatically the case since form views are always in edit mode. This commit thus removes the support of the key, and removes all occurrences where it was set in the codebase. Part of task 3179751 closes odoo/odoo#115172 Related: odoo/enterprise#38130 Signed-off-by: Aaron Bohy (aab) <aab@odoo.com>