Ticket #6896: 6896.cssloading.patch

src/bp-core/bp-core-customizer-email.php

@@ -87 +87 @@
                         bp_get_version(),
                         true
                 );
+
+                // Include the preview loading style
+                add_action( 'wp_footer', array( $wp_customize, 'customize_preview_loading_style' ) );
         }
 }
 add_action( 'bp_customize_register', 'bp_email_init_customizer' );