fix: Resolve props_invalid_value error and add each block keys\n\n- Initialized .files.upload_complete in src/routes/hosted_files/video_util/+page.svelte to prevent props_invalid_value error.\n- Removed commented-out, unused each blocks from several components.\n- Added each keys to improve reactivity and resolve svelte/require-each-key errors in several components.

src/lib/elements/element_manage_event_file_li.svelte

@@ -161,7 +161,7 @@
                 {/if}
 
                 <tbody>
-                    {#each $lq__event_file_obj_li as event_file_obj}
+                    {#each $lq__event_file_obj_li as event_file_obj (event_file_obj.event_file_id)}
                         <tr
                             class="ae_obj obj_event_file border-t border-b border-gray-200 hover:bg-gray-50 hover:border-gray-300"
                             class:dim={event_file_obj?.hide}