8x8_fix_manage_extensions_list.user.js

// ==UserScript==
// @name        8x8 Fix Manage Extensions List
// @namespace   com.tgoode.userscript.8x8.
// @description Allow extensions list to be scrolled in the Manage Extensions list.
// @include     https://accountmanager.8x8.com/faces/phoneSystem/extensions/manageExtensions*.xhtml
// @version     1
// @grant       GM_addStyle
// ==/UserScript==

GM_addStyle('            \
.rf-edt {                \
    overflow-y: scroll;  \
}                        \
');