prepend extend_app js to customJSModules array, use FhcApps in Dashboard/Fhc App

application/helpers/hlp_header_helper.php

@@ -298,7 +298,7 @@ function extendableApps($includes)
 
 				if(is_readable(FHCPATH . $extend_js))
 				{
-					array_push($includes['customJSModules'], $extend_js);
+					array_unshift($includes['customJSModules'], $extend_js);
 				}
 
 				if(is_readable(FHCPATH . $extend_css))

public/js/apps/Dashboard/Fhc.js

@@ -321,6 +321,9 @@ const app = Vue.createApp({
 // kind of a bandaid for bad css on some pages to avoid horizontal scroll
 setScrollbarWidth();
 
+FhcApps.router.makeExtendable(router);
+FhcApps.makeExtendable(app);
+
 app.use(router);
 app.use(primevue.config.default, {
 	zIndex: {