Updating user access token UI (#7091)

* Updating user access token UI

Updating help text

Updating tokenlistClass

Updating string for token

Updating translations

Updating translations

Updating translations

* Updating translations

* Minor UI fix

* Update manage_tokens_modal.jsx

* Update user_settings_security.jsx

* Update en.json

* Fix merge conflicts

webapp/sass/components/_alerts.scss

@@ -11,4 +11,3 @@
     margin: 1px 0 0 10px;
     padding: 4px 10px;
 }
-

webapp/sass/components/_modal.scss

@@ -103,10 +103,6 @@
             }
         }
 
-        .alert {
-            margin-bottom: 0;
-        }
-
         .custom-textarea {
             border-color: $light-gray;
             color: inherit;