fix(multisite): reset Database instance on blog switch

src/Orm/Database.php

@@ -81,7 +81,7 @@ public function __construct()
 
         // Add hook to update prefix when switching between blogs in multisite
         add_action('switch_blog', function () {
-            $this->setTablePrefix($this->db->prefix);
+            self::$instance = null;
         });
     }