Mailchimp for WordPress (MC4WP) - Edit link from Translation Management returns a broken URL

Overview of the issue

If you are using Mailchimp for WordPress (MC4WP) with WPML and you go to WPML → Translation Management, the Edit link points to a broken URL.

Workaround

Please, make a full backup of your site before proceeding.

1. Open your theme functions.php file.
2. Add the following code:

   add_filter( 'wpml_document_edit_item_link', 'document_edit_item_link', 10, 5 );
   
   function document_edit_item_link( $link, $text, $current_document, $prefix, $type ) {
   		
   	if ( "mc4wp-form" !== $type ) {
   		return $link;
   	} 
   
   	$query = [];
   	$query['page']      = 'mailchimp-for-wp-forms';
   	$query['view']      = 'edit-form';
   	$query['admin_bar'] = 1;
   	$query['form_id']   = $current_document->ID;
   	$query['lang']      = $current_document->language_code;
   
   	$url_parsed          = array();
   	$url_parsed['query'] = http_build_query( $query );
   
   	$url = http_build_url( get_admin_url( null, 'admin.php' ), $url_parsed );
   	$url = esc_url( $url, null, 'redirect' );
   	
   	return "<a href='$url'>$text</a>";
   }
   
   add_filter( 'wpml_document_view_item_link', 'document_view_item_link' , 10, 5 );
   
   function document_view_item_link( $link, $text, $job, $prefix, $type ) {
   	if ( "mc4wp-form" !== $type ) {
   		return $link;
   	} 
   
   	return '';
   }