fix(templates) Fix problems with adapt_from_template

issue #6034

include/class_templateHandling.inc

@@ -464,9 +464,9 @@ class templateHandling
    * \param array $args the parameters
    * \param mixed $str the string or array to apply the modifier on
    *
-   * \return array an array of possible values
+   * \return iterable an array or iterable object of possible values
    * */
-  protected static function applyModifier (string $m, array $args, $str): array
+  protected static function applyModifier (string $m, array $args, $str)
   {
     mb_internal_encoding('UTF-8');
     mb_regex_encoding('UTF-8');

plugins/personal/generic/class_user.inc

@@ -383,9 +383,11 @@ class user extends simplePlugin
     if ($this->uid != '') {
       $skip[] = 'uid';
     }
+
     parent::adapt_from_template($attrs, array_merge($skip, ['userPassword']));
-    if (isset($this->attrs['userPassword']) && !in_array('userPassword', $skip)) {
-      $this->userPassword = $this->attributesAccess['userPassword']->readUserPasswordValues($this->attrs['userPassword'][0], TRUE);
+
+    if (isset($attrs['userPassword']) && !in_array('userPassword', $skip)) {
+      $this->userPassword = $this->attributesAccess['userPassword']->readUserPasswordValues($attrs['userPassword'][0], TRUE);
     }
   }