Fix(fields): rely on input first (#920)

* Fix(fields): rely on input first

* adpat changelog

Author: stonebuzz

CHANGELOG.md

@@ -7,14 +7,21 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [UNRELEASE]
 
+### Fixed
+
+- Fix container update from other context (like plugins)
 
 ## [1.21.19] - 2025-02-03
 
+### Fixed
+
 - Fix container update from `API`
 - Fix: fix default value for `dropdown` field to avoid empty dropdown
 
 ## [1.21.18] - 2024-01-16
 
+### Fixed
+
 - Fix `PluginFieldsContainerDisplayCondition` display when value is no more available.
 - Fix issue where the value of custom fields could not be saved
 

inc/container.class.php

@@ -1667,10 +1667,10 @@ public static function preItemUpdate(CommonDBTM $item)
     public static function preItem(CommonDBTM $item)
     {
         //find container (if not exist, do nothing)
-        if (isset($_REQUEST['c_id'])) {
-            $c_id = $_REQUEST['c_id'];
-        } elseif (isset($item->input['c_id'])) {
+        if (isset($item->input['c_id'])) {
             $c_id = $item->input['c_id'];
+        } elseif (isset($_REQUEST['c_id'])) {
+            $c_id = $_REQUEST['c_id'];
         } else {
             $type = 'dom';
             if (isset($_REQUEST['_plugin_fields_type'])) {