We'll create fresh WordPress site with Ignore HTML and shortcodes in search installed. You have 20 minutes to test the plugin after that site we'll be deleted.
This plugin modifies the native wordpress search function to ignore block names in post and page content.
With this plugin activated the unexpected search results are fixed which are reported in #3739 and in #56294
Works only for MySQL 8.0.4+ and MariaDB 10.0.5+