Ticket #27936: 27936.patch

src/wp-includes/js/customize-models.js

@@ -113 +113 @@
                                 return false;
                         }
 
+                        if (this.get('imageWidth') <= this.get('themeWidth')) {
+                                return false;
+                        }
+
                         return true;
                 }
         });