`_replace_local_links` ensures urls are given as absolute rather
relative paths, for link `href`, img `src` and within styles. This
failed when the style contained escaped single quotes (eg:
`background-image: url("/my_url/path");`). This commit adapts the
failing regex appropriately.
X-original-commit: 2af980e8cdc72d35729ef2fbaf5067fe7e72bbb8
Part-of: odoo/odoo#80621