refactor(badges): standardize helpers and apply batch formatting

- Standardized 'prevent_default' helper names across badges module.
- Corrected native 'event.preventDefault()' calls in view and template components.
- Applied batch formatting (printWidth: 80) to all badges files.

src/routes/events/[event_id]/(badges)/badges/+layout.svelte

@@ -36,9 +36,13 @@
     let lq__event_obj = $derived(
         liveQuery(async () => {
             if (log_lvl) {
-                console.log(`*** LiveQuery: lq__event_obj *** event_id=${$events_slct.event_id}`);
+                console.log(
+                    `*** LiveQuery: lq__event_obj *** event_id=${$events_slct.event_id}`
+                );
             }
-            let results = await db_events.event.get($events_slct?.event_id ?? '');
+            let results = await db_events.event.get(
+                $events_slct?.event_id ?? ''
+            );
 
             return results;
         })