I have an html template, I am converting it to WordPress
This template is written in html 5, Bootstrap 5
I put this code in the functions.php file, it gets stuck in this preloader and does not load

add_theme_support( 'html5',
    array(
    'comment-list',
    'comment-form',
    'search-form',
    'gallery',
    'caption',
) );

I know the reason why it gets stuck because I customized the list comments section and copied its files from the comments section file from the twentytwenty format. When I leave a comment in the posts section, it gets stuck in the preloader

Is there a solution to this problem?