fix(glpiselectfield): generic objects support lost in TWIG conversion

Author: btry

inc/question.class.php

@@ -1335,6 +1335,28 @@ public static function dropdownObjectSubType(string $name, array $options = []):
          $optgroup[__("Assets")][PluginDatabasesDatabase::class] = PluginDatabasesDatabase::getTypeName(2) . ' (' . _n('Plugin', 'Plugins', 1) . ')';
       }
 
+      // Get additional itemtypes from plugins
+      $additionalTypes = Plugin::doHookFunction('formcreator_get_glpi_object_types', []);
+      // Cleanup data from plugins
+      $cleanedAditionalTypes = [];
+      foreach ($additionalTypes as $groupName => $itemtypes) {
+         if (!is_string($groupName)) {
+            continue;
+         }
+         $cleanedAditionalTypes[$groupName] = [];
+         foreach ($itemtypes as $itemtype => $typeName) {
+            if (!class_exists($itemtype)) {
+               continue;
+            }
+            if (array_search($itemtype, $cleanedAditionalTypes[$groupName])) {
+               continue;
+            }
+            $cleanedAditionalTypes[$groupName][$itemtype] = $typeName;
+         }
+      }
+      // Merge new itemtypes to predefined ones
+      $optgroup = array_merge_recursive($optgroup, $cleanedAditionalTypes);
+
       $itemtype = is_subclass_of($options['value'], CommonDBTM::class) ? $options['value'] : '';
       Dropdown::showFromArray($name, $optgroup, [
          'value'               => $itemtype,