[FIX] web_editor: allow non-alphabetic unit in data-unit
[FIX] web_editor: allow non-alphabetic unit in data-unit

Allow non-alphabetic unit (like percentage) as data-unit value.

task-2194309

closes odoo/odoo#47325

X-original-commit: 1f3dd221134b7b5e5b0eac0ab2ffe447771998b9
Signed-off-by: Quentin Smetz (qsm) <75b324bb495ac8d4f83496f7c52eda774af7ed7a@odoo.com>

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo