Astra_Builder_Widget_Controller::widget_init()

		public function widget_init() {

			if ( false === Astra_Builder_Helper::$is_header_footer_builder_active ) {
				return;
			}

			// Register Footer Widgets.
			$component_limit = defined( 'ASTRA_EXT_VER' ) ? Astra_Builder_Helper::$component_limit : Astra_Builder_Helper::$num_of_footer_widgets;
			for ( $index = 1; $index <= $component_limit; $index++ ) {

				if ( ! is_customize_preview() && ! Astra_Builder_Helper::is_component_loaded( 'widget-' . $index, 'footer' ) ) {
					continue;
				}

				$this->register_sidebar( $index, 'footer' );
			}

			$component_limit = defined( 'ASTRA_EXT_VER' ) ? Astra_Builder_Helper::$component_limit : Astra_Builder_Helper::$num_of_header_widgets;
			for ( $index = 1; $index <= $component_limit; $index++ ) {

				if ( ! is_customize_preview() && ! Astra_Builder_Helper::is_component_loaded( 'widget-' . $index, 'header' ) ) {
					continue;
				}

				$this->register_sidebar( $index, 'header' );
			}

		}