Add Ansible.ModuleUtils.PrivilegeUtil and converted code to use it (#43179)

* Add Ansible.ModuleUtils.PrivilegeUtil and converted code to use it

* Changed namespace and class to be a better standard and fixed some typos

* Changes from review

* changes to avoid out of bound mem of server 2008

* changes to detect failure when setting a privileged not allowed

lib/ansible/module_utils/powershell/Ansible.ModuleUtils.CommandUtil.psm1

@@ -338,7 +338,6 @@ Function Load-CommandUtils {
 
     # FUTURE: find a better way to get the _ansible_remote_tmp variable
     $original_tmp = $env:TMP
-    $original_temp = $env:TEMP
 
     $remote_tmp = $original_tmp
     $module_params = Get-Variable -Name complex_args -ErrorAction SilentlyContinue
@@ -350,10 +349,8 @@ Function Load-CommandUtils {
     }
 
     $env:TMP = $remote_tmp
-    $env:TEMP = $remote_tmp
     Add-Type -TypeDefinition $process_util
     $env:TMP = $original_tmp
-    $env:TEMP = $original_temp
 }
 
 Function Get-ExecutablePath($executable, $directory) {