How to set h1 title for Woocommerce product categories?

Question

WordPress

Good afternoon. There was a need to fix the heading h1 of product categories. the default is h3. There is a function:
if(strpos($_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'], '/product-category/'))
add_filter ( 'woocommerce_show_page_title' , 'mayak_woocommerce_product_cat_h1' ​​, 10 , 2 );
function mayak_product_cat_h1(){
$pch = get_term_meta (get_queried_object()->term_id, 'h1', true);
echo ''.$pch.'';
if(empty($pch)){
echo ''.get_queried_object()->name.'';
}
}
function mayak_woocommerce_product_cat_h1(){
return mayak_product_cat_h1($pch);
}
Everything works, h1 is set, but breadcrumbs fly off and in general the name of the category takes on a standard form, different from the topic. Tell me what to add so that h1 remains and the category name looks right.

Answer 1

And what prevents the template from changing h3 to h1?