encapsulate path substitution

dashboard-ui/bower_components/emby-webcomponents/imageeditor/imageeditor.js

@@ -299,6 +299,10 @@
                 hasChanges = true;
                 reload(page);
             });
+        }, function () {
+            require(['alert'], function (alert) {
+                alert('This feature is coming soon to Emby Theater.');
+            });
         });
     }
 
@@ -393,6 +397,10 @@
                         reload(page);
                     }
                 });
+            }, function () {
+                require(['alert'], function (alert) {
+                    alert('This feature is coming soon to Emby Theater.');
+                });
             });
         });