When copying some list items in the editor and pasting it back into it, we lost their parent list, leading to paragraphs being pasted rather than a list. This restores the list. task-3050150 closes odoo/odoo#105386 X-original-commit: 2333d8470df2fac80247e6f39d740a29f1eeb561 Signed-off-by: David Monjoie (dmo) <dmo@odoo.com>