More work on the WebSockets. Improved status and WS triggers. Better online/offline status.

src/routes/events/[event_id]/(launcher)/launcher_file_cont.svelte

@@ -44,7 +44,7 @@ let {
 }: Props = $props();
 
 // *** Import Svelte specific
-import { preventDefault } from 'svelte/legacy';
+// import { preventDefault } from 'svelte/legacy';
 import { onMount, tick } from 'svelte';
 import { fade, scale, fly } from 'svelte/transition';
 
@@ -250,6 +250,14 @@ async function handle_open_file() {
 //     $events_loc.launcher.poster_src = `/event/file/${event_file_id}/download`;
 //     $events_loc.launcher.modal_title = modal_title;
 // }
+
+function preventDefault(fn) {
+    return function (event) {
+        event.preventDefault();
+        fn.call(this, event);
+    };
+}
+
 </script>
 
 
@@ -375,6 +383,7 @@ async function handle_open_file() {
                 });
             }
         }}
+        class:preset-tonal-success={$events_slct.event_file_id == event_file_id}
         class="
             btn btn-sm md:btn-md lg:btn-lg
             preset-tonal-primary border border-primary-500