Fix style issues in the toolbar

www/common/toolbar.js

@@ -84,7 +84,7 @@ define([
             id: uid(),
             'class': SPINNER_CLS,
         });
-        $container.append($spinner);
+        $container.prepend($spinner);
         return $spinner[0];
     };
 

www/pad/inner.html

@@ -15,6 +15,7 @@
     }
     #cke_1_top .cryptpad-toolbar {
         margin-bottom: 1px;
+        padding: 0px;
     }
     </style>
 </head>