chore: minor updates across events, journals, elements, and shared components

Miscellaneous small changes to events (badges, launcher, leads, pres_mgmt,
settings), journals, reusable elements (crud, field editor), app components,
core components, and test README. Mostly 1-2 line changes per file.

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

@@ -86,7 +86,7 @@
             </div>
         </div>
         <ul class="space-y-1">
-            {#each $lq__event_file_obj_li as event_file_obj, index}
+            {#each $lq__event_file_obj_li as event_file_obj, index (event_file_obj.event_file_id)}
                 <li
                     class="flex flex-col md:flex-row flex-wrap gap-1 items-center justify-start"
                     class:hidden={!$events_loc.launcher