[FIX] website_blog: restore sharing feature

Broken by renaming mistake of
https://github.com/odoo/odoo/commit/6d67ce5b7cc6f8686a142ca3a834f5bfd98a56d1



closes odoo/odoo#31955

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

addons/website_blog/static/src/js/website_blog.js

@@ -98,7 +98,7 @@ sAnimations.registry.websiteBlog = sAnimations.Class.extend({
                 url = 'https://plus.google.com/share?url=' + window.location.href;
             }
         } else {
-            var blogPost = $element.parents('[name="blogPost"]');
+            var blogPost = $element.parents('[name="blog_post"]');
             var blogPostTitle = blogPost.find('.o_blog_post_title').html() || '';
             var blogArticleLink = blogPost.find('.o_blog_post_title').parent('a').attr('href');
             if ($element.hasClass('o_twitter')) {