Fixes various bugs in Techland WordPress theme with WordPress 5.5; meta-box has currently issues and must be disabled

extension_nt_multi_field.php

/**
 * fix constructor to make it work with custom wp-content path (e.g. when hosting multiple webservers for loadbalancing purposes and using the same NFS share
 * goes to wp-content/themes/techland/inc/theme-options/redux-extensions/extensions/nt_multi_field/extension_nt_multi_field.php line ~72
 */

  if ( empty( $this->extension_dir ) ) {
    $this->extension_dir = trailingslashit( str_replace( '\\', '/', dirname( __FILE__ ) ) );

    $this->extension_url = home_url( '/wp-content/' . str_replace( trailingslashit( str_replace( '\\', '/', WP_CONTENT_DIR ) ), '', $this->extension_dir ) );
  }

field_nt_multi_field.php

/**
 * fix constructor to make it work with custom wp-content path (e.g. when hosting multiple webservers for loadbalancing purposes and using the same NFS share
 * goes to wp-content/themes/techland/inc/theme-options/redux-extensions/extensions/nt_multi_field/nt_multi_field/field_nt_multi_field.php line ~50
 */

  if ( empty( $this->extension_dir ) ) {
    $this->extension_dir = trailingslashit( str_replace( '\\', '/', dirname( __FILE__ ) ) );

    $this->extension_url = home_url( '/wp-content/' . str_replace( trailingslashit( str_replace( '\\', '/', WP_CONTENT_DIR ) ), '', $this->extension_dir ) );
  }

framework-admin.js

/**
 * fix for pagehero.live is undefined, line 134
 */
	if (typeof pagehero.live === "function") {
		pagehero.live('change', function(){
			if(!pagehero.is(':checked')) {
        // ...
      }
    })
  }

/**
 * fix for pagestyle.live is undefined, line ~170
 */
	if (typeof pagestyle.live === "function") {
		pagestyle.live('change', function(){
      // ...
    })
  }