PromotionForm.vue (shared by the omde and tak variants) gains open/id modal
support; both thin wrappers (promotion_add_edit.vue, promotion_tak_add_edit.vue)
pass the props/emits through unchanged. promotion_list.vue gets two
ListPageHeader buttons (offers.create / offers.create.tak, matching the two
routes' rids) and picks which variant's modal to open based on the edited
row's type_customer, exactly as the old toEdit() picked which route to
navigate to.
Verified: pnpm build passes.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
