AdminUX Patch and Admin Page (#2593)

* AdminPage

* More fixes

* Settings Modal Drop

* Translation and docblock

* settingS

* Convert Fieldset to JSX

* info -> headerInfo, className

* Overflow fixes

* MailPage

* Admin Less

* Basics Page

* Changes

* Cleanup

* Permission Page

* Add padding

less/admin/PermissionsPage.less

@@ -1,15 +1,9 @@
 .PermissionsPage-groups {
   background: @control-bg;
   border-radius: @border-radius;
-  max-width: calc(~'100% - 60px');
   display: block;
-  margin-left: 30px;
   overflow-x: auto;
-  padding: 10px 0 8px;
-
-  > .container {
-    padding: 0 10px;
-  }
+  padding: 10px;
 }
 .Group {
   width: 90px;
@@ -46,7 +40,6 @@
 
 .PermissionGrid {
   white-space: nowrap;
-  padding-left: 0 12px;
 
   td, th {
     padding: 5px;