PB-390: Nested Page Builder content can fail to save when action is performed quickly

- Fix Google Maps error on upgrade content

Author: davemacaulay

app/code/Magento/PageBuilder/view/base/web/js/utils/map.js

@@ -18,7 +18,7 @@ define([
     var google = window.google || {},
 
         /**
-         * Generates a google map usuable latitude and longitude object
+         * Generates a google map usable latitude and longitude object
          *
          * @param {Object} position
          * @return {google.maps.LatLng}
@@ -49,6 +49,11 @@ define([
             return;
         }
 
+        // If Google Maps isn't loaded don't try init the map, it won't work
+        if (typeof google.maps === 'undefined') {
+            return;
+        }
+
         /**
          * Just in case of a bad JSON that bypassed validation
          */