fix: when useAutoIncrement is disabled, countAllResults() is called

Author: kenjis

system/Model.php

@@ -584,12 +584,12 @@ public function set($key, $value = '', ?bool $escape = null)
      */
     protected function shouldUpdate($data): bool
     {
-        // When useAutoIncrement feature is disabled check
+        // When useAutoIncrement feature is disabled, check
         // in the database if given record already exists
         return parent::shouldUpdate($data)
-            && $this->useAutoIncrement
+            && ($this->useAutoIncrement
                 ? true
-                : $this->where($this->primaryKey, $this->getIdValue($data))->countAllResults() === 1;
+                : $this->where($this->primaryKey, $this->getIdValue($data))->countAllResults() === 1);
     }
 
     /**