If images are lazy loaded in mass_mailing they risk not being converted properly. This removes the loading attribute from all previously added images when the editor loads. opw-2850967 closes odoo/odoo#98107 X-original-commit: 3cb0f466cfa982aeb802e08ded8bdbf7b8f01220 Signed-off-by: David Monjoie (dmo) <dmo@odoo.com> Signed-off-by: Antoine Guenet (age) <age@odoo.com>