hide toolbar when in read-only mode

www/pad/main.js

@@ -110,7 +110,7 @@ define([
             var defaultName = Cryptpad.getDefaultName(parsedHash);
 
             if (readOnly) {
-                $('#pad-iframe')[0].contentWindow.$('#cke_1_toolbox > .cke_toolbar').hide();
+                $('#pad-iframe')[0].contentWindow.$('#cke_1_toolbox > .cke_toolbox_main').hide();
             }
 
             /* add a class to the magicline plugin so we can pick it out more easily */
@@ -584,10 +584,10 @@ define([
                     editHash = Cryptpad.getEditHashFromKeys(info.channel, secret.keys);
                 }
 
+                var $existingButton = $bar.find('#cke_1_toolbar_collapser').hide();
+                if (!readOnly) {
                     // Expand / collapse the toolbar
-                var $existingButton = $bar.find('#cke_1_toolbar_collapser');
                     var $collapse = Cryptpad.createButton(null, true);
-                $existingButton.hide();
                     $collapse.removeClass('fa-question');
                     var updateIcon = function () {
                         $collapse.removeClass('fa-caret-down').removeClass('fa-caret-up');
@@ -601,6 +601,7 @@ define([
                         updateIcon();
                     });
                     $rightside.append($collapse);
+                }
 
                 /* add an export button */
                 var $export = Cryptpad.createButton('export', true, {}, exportFile);