fix caption of request access button

package.json

@@ -101,7 +101,7 @@
         "c9.ide.preview.browser": "#a732ce9853",
         "c9.ide.preview.markdown": "#bc846e1562",
         "c9.ide.pubsub": "#a85fb27eca",
-        "c9.ide.readonly": "#fe86d1f152",
+        "c9.ide.readonly": "#719881e192",
         "c9.ide.recentfiles": "#7c099abf40",
         "c9.ide.remote": "#301d2ab519",
         "c9.ide.processlist": "#2b12cd1bdd",