Comment Mentions: Fixed and tweaks during review of changes

- Added advisory on role permission form to advise which allow listing
  of users/roles.
- Updated database config to avoid PHP8.5 deprecation.
- Tweaked migration to remove unused index.
- Fixed test namespace.

app/Config/database.php

@@ -81,7 +81,7 @@ return [
             'strict'         => false,
             'engine'         => null,
             'options'        => extension_loaded('pdo_mysql') ? array_filter([
-                PDO::MYSQL_ATTR_SSL_CA => env('MYSQL_ATTR_SSL_CA'),
+                (PHP_VERSION_ID >= 80500 ? \Pdo\Mysql::ATTR_SSL_CA : \PDO::MYSQL_ATTR_SSL_CA) => env('MYSQL_ATTR_SSL_CA'),
             ]) : [],
         ],