fix: move cpanel module to icon position for top-of-dashboard rendering [skip ci]

Joomla's cpanel view renders quickicon (icon position) modules above
regular cpanel modules. Changed from position=cpanel to position=icon
so MokoWaaS appears at the very top of the admin dashboard.

Authored-by: Moko Consulting
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/script.php

@@ -473,7 +473,7 @@ class Pkg_MokowaasInstallerScript
 				'note'      => '',
 				'content'   => '',
 				'ordering'  => 0,
-				'position'  => 'cpanel',
+				'position'  => 'icon',
 				'checked_out' => null,
 				'checked_out_time' => null,
 				'publish_up'   => null,