[FIX] website: restore editor component styles

Following the new editor of https://github.com/odoo/odoo/pull/29775,
many editor styles and behaviors were broken:
- Translation colors
- Background sizing cursor
- etc, etc

This is because commit https://github.com/odoo/odoo/commit/b49745e52d7a7bc27afd416206dcd5fa242aa07a


decided to wrap all the scss rules of the website editor scss file in
a `body.editor_enable` rule without any care. For example, the rule for
translation colors became:

`body.editor_enable > html[lang] > body.editor_enable > ...`

which obviously does not work.

closes odoo/odoo#34190

Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>