fix

src/client/js/components/Admin/Users/UserMenu.jsx

@@ -80,7 +80,7 @@ class UserMenu extends React.Component {
 
     return (
       <Fragment>
-        <div className="btn-group admin-user-menu" role="group">
+        <div className="btn-group admin-user-menu position-absolute" role="group">
           <button id="userMenu" type="button" className="btn btn-outline-secondary btn-sm dropdown-toggle" data-toggle="dropdown">
             <i className="icon-settings"></i>
           </button>

src/client/styles/scss/_admin.scss

@@ -10,10 +10,7 @@
   }
 
   .admin-user-menu {
-    position: absolute;
-
     .dropdown-menu {
-      position: fixed;
       right: 0;
       left: auto;
       width: 400px;