fix: override admin Help sidebar link to mokoconsulting.tech/support

Targets a[href*="dashboard=help"] in addition to existing
help.joomla.org/docs.joomla.org overrides. Opens in new window.

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

src/packages/plg_system_mokowaas/Extension/MokoWaaS.php

@@ -1133,10 +1133,16 @@ class MokoWaaS extends CMSPlugin implements BootableExtensionInterface
 
 		$doc->addScriptDeclaration("
 			document.addEventListener('DOMContentLoaded', function() {
+				var url = " . json_encode($supportUrl) . ";
 				document.querySelectorAll('a[href*=\"help.joomla.org\"], a[href*=\"docs.joomla.org\"]').forEach(function(link) {
-					link.href = " . json_encode($supportUrl) . ";
+					link.href = url;
 					link.target = '_blank';
 				});
+				document.querySelectorAll('a[href*=\"dashboard=help\"]').forEach(function(link) {
+					link.href = url;
+					link.target = '_blank';
+					link.rel = 'noopener noreferrer';
+				});
 			});
 		");
 	}