visual editor boke page

Hi!
I think it is something with server, on my serwer all working good but on client this element breake.
In browser consol I dont get any errors.

http://atb.labmoryc.com.pl/ – all is ok
http://atbmeble.pl/ – something wrong.

Do you want login to the page?

link to test page:
http://atb.labmoryc.com.pl/test/
http://atbmeble.pl/test-2/

I’m created widget:

class Wstep_Widget extends SiteOrigin_Widget {

		function __construct() {
		//Here you can do any preparation required before calling the parent constructor, such as including additional files or initializing variables.
			$form_options = array(
				'tytul' => array(
					'type' => 'text',
					'label' => __( 'Tytuł wstępu', 'fpweb' ),
					'default' => ''
				),
				'tekst' => array(
					'type' => 'tinymce',
					'label' => __( 'Wstęp - lid', 'fpweb' ),
					'default' => 'Przykładowy tekst wstępu',
					'rows' => 10,
					'default_editor' => 'visual',
					'button_filters' => array(
						'mce_buttons' => array( $this, 'filter_mce_buttons' ),
						'mce_buttons_2' => array( $this, 'filter_mce_buttons_2' ),
						'mce_buttons_3' => array( $this, 'filter_mce_buttons_3' ),
						'mce_buttons_4' => array( $this, 'filter_mce_buttons_5' ),
						'quicktags_settings' => array( $this, 'filter_quicktags_settings' ),
					),
				),
				'url_tytul' => array(
					'type' => 'text',
					'label' => __( 'Tekst na przycisku', 'fpweb' ),
					'default' => 'Sprawdź'
				),
				'url' => array(
					'type' => 'link',
					'label' => __('Dodaj link jeśli ma się pojawić przycisk', 'fpweb'),
					'default' => ''
				),

			);

	//================================
	//Call the parent constructor with the required arguments.
	//
	//DATA FOR WIDGET
	//================================
		parent::__construct(
				// The unique id for your widget.
				'wstep-widget',

				// The name of the widget for display purposes.
				__('Wstęp - lid', 'fpweb'),

				// The $widget_options array, which is passed through to WP_Widget.
				// It has a couple of extras like the optional help URL, which should link to your sites help or support page.
				array(
						'description' => __('Wstęp do strony', 'fpweb'),
						'panels_groups' => array('atb_group','recommended'),
						'panels_icon' => 'dashicons dashicons-megaphone'
				),

				//The $control_options array, which is passed through to WP_Widget
				array(
				),

				//The $form_options array, which describes the form fields used to configure SiteOrigin widgets. We'll explain these in more detail later.
				$form_options

				);
		}

		public function widget( $args, $instance ) {
			include('tpl/tpl.php');
		}
		function get_template_name($instance) {
				return 'wstep_tpl';
		}

		function get_style_name($instance) {
				return '';
		}

		function filter_mce_buttons( $buttons, $editor_id ) {
		if ( ( $key = array_search( 'fullscreen', $buttons ) ) !== false ||
				 ( $key = array_search( 'dfw', $buttons ) ) !== false) {
			unset($buttons[$key]);
		}
		return $buttons;
		}
		function filter_mce_buttons_2( $buttons, $editor_id ) {
			if ( ( $key = array_search( 'fullscreen', $buttons ) ) !== false ||
					 ( $key = array_search( 'dfw', $buttons ) ) !== false) {
				unset($buttons[$key]);
			}
			return $buttons;
		}
		function filter_mce_buttons_3( $buttons, $editor_id ) {
			if ( ( $key = array_search( 'fullscreen', $buttons ) ) !== false ||
					 ( $key = array_search( 'dfw', $buttons ) ) !== false) {
				unset($buttons[$key]);
			}
			return $buttons;
		}
		function filter_mce_buttons_4( $buttons, $editor_id ) {
			if ( ( $key = array_search( 'fullscreen', $buttons ) ) !== false ||
					 ( $key = array_search( 'dfw', $buttons ) ) !== false) {
				unset($buttons[$key]);
			}
			return $buttons;
		}
		public function quicktags_settings( $settings, $editor_id ) {
			$settings['buttons'] = preg_replace( '/,fullscreen/', '', $settings['buttons'] );
			$settings['buttons'] = preg_replace( '/,dfw/', '', $settings['buttons'] );
			return $settings;
		}
		function sanitize_date( $date_to_sanitize ) {
			// Perform custom date sanitization here.
			$sanitized_date = sanitize_text_field( $date_to_sanitize );
			return $sanitized_date;
		}


}
siteorigin_widget_register('Wstep Widget', THEME_PLUGIN_DIRECTORY.'so_plugins/wstep/', 'Wstep_Widget');

and tinymce breake to.