Allow extended read to view agent configuration (#347)

Author: timja

src/main/resources/com/microsoft/azure/vmagent/AzureVMComputer/configure.jelly

@@ -1,6 +1,6 @@
 <?jelly escape-by-default='true'?>
 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:l="/lib/layout" xmlns:f="/lib/form">
-  <l:layout permission="${app.ADMINISTER}" title="${it.name} Configuration">
+  <l:layout permission="${it.EXTENDED_READ}" title="${it.name} Configuration">
     <st:include page="sidepanel.jelly"/>
     <l:main-panel>
       <f:entry title="${%Name}">