Same change in several areas where translations existed:
- website editor notification popup
- elearning share popup
- forum remediation filter popup
- event registration attendees popup
- portal rating popup
- stripe payment error popup
And many other locations where there were no translations yet
"×" has been replaced by its UTF8 character.
Also introduced aria-label where missing.
Before this commit the close icon was included in translated resources.
For example, in Spanish the "×" had been turned into "&veces;"
thus not rendering an icon anymore
After this commit the close icon is not a translated text anymore and
remains an icon across all languages
https://github.com/odoo/odoo/pull/60186
task-2312878
closesodoo/odoo#62250
X-original-commit: 9896af94ebc887d98ccf44e6568ef7eeb5a27172
Related: odoo/enterprise#14937
Signed-off-by: Jérémy Kersten (jke) <jke@openerp.com>