Fixes win_uri module ignoring body argument (#2504)

* Fixes win_uri module ignoring body argument

* Added body field of the response to the documentation

lib/ansible/modules/extras/windows/win_uri.ps1

@@ -65,6 +65,11 @@ if ($headers -ne $null) {
     $webrequest_opts.Headers = $req_headers
 }
 
+if ($body -ne $null) {
+    $webrequest_opts.Body = $body
+    Set-Attr $result.win_uri "body" $body
+}
+
 try {
     $response = Invoke-WebRequest @webrequest_opts
 } catch {

lib/ansible/modules/extras/windows/win_uri.py

@@ -120,6 +120,11 @@ use_basic_parsing:
   returned: always
   type: bool
   sample: True
+body:
+  description: The content of the body used (added in version 2.2)
+  returned: when body is specified
+  type: string
+  sample: '{"id":1}'
 status_code:
   description: The HTTP Status Code of the response.
   returned: success