fix: instances of validation rules are incremented each time run() is executed

Author: kenjis

system/Validation/Validation.php

@@ -107,6 +107,8 @@ public function __construct($config, RendererInterface $view)
         $this->config = $config;
 
         $this->view = $view;
+
+        $this->loadRuleSets();
     }
 
     /**
@@ -127,7 +129,6 @@ public function run(?array $data = null, ?string $group = null, ?string $dbGroup
         // `DBGroup` is a reserved name. For is_unique and is_not_unique
         $data['DBGroup'] = $dbGroup;
 
-        $this->loadRuleSets();
         $this->loadRuleGroup($group);
 
         // If no rules exist, we return false to ensure