ISTWCMS-4203: Theme Google Maps block

src/EventSubscriber/UwCblGoogleMapsEventSubscriber.php

@@ -139,7 +139,7 @@ class UwCblGoogleMapsEventSubscriber extends UwCblBase implements EventSubscribe
         // Set the render array for the google maps content.
         $build = [
           '#theme' => 'uw_block_google_maps',
-          '#google maps' => $google_maps,
+          '#google_maps' => $google_maps,
         ];
 
         // Update the content variable to use our new build array.