new users default dept in form

app/views/users.py

@@ -388,6 +388,9 @@ def create_user_form(user_name=None, edit=0, all_roles=1):
                         "explanation": """département de rattachement de l'utilisateur""",
                         "labels": selectable_dept_acronyms,
                         "allowed_values": selectable_dept_acronyms,
+                        "default": g.scodoc_dept
+                        if g.scodoc_dept in selectable_dept_acronyms
+                        else "",
                     },
                 )
             )