Style: Standardize icon use Part 1 (#5947)

## Summary

Remove the mix of class based and component style icons in favor of just
[classes](https://iconify.design/docs/usage/css/tailwind/tailwind4/#basic-usage).

## Changes

- **What**: Migrate existing lucide icons

## Review Focus

What differs between the icons before and now?

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-5947-Style-Standardize-icon-use-Part-1-2846d73d365081bfa66ceb6bdaa9ff02)
by [Unito](https://www.unito.io)

---------

Co-authored-by: github-actions <github-actions@github.com>

src/platform/assets/components/AssetCard.vue

@@ -66,15 +66,15 @@
         "
       >
         <span v-if="asset.stats.stars" class="flex items-center gap-1">
-          <i-lucide:star class="size-3" />
+          <i class="icon-[lucide--star] size-3" />
           {{ asset.stats.stars }}
         </span>
         <span v-if="asset.stats.downloadCount" class="flex items-center gap-1">
-          <i-lucide:download class="size-3" />
+          <i class="icon-[lucide--download] size-3" />
           {{ asset.stats.downloadCount }}
         </span>
         <span v-if="asset.stats.formattedDate" class="flex items-center gap-1">
-          <i-lucide:clock class="size-3" />
+          <i class="icon-[lucide--clock] size-3" />
           {{ asset.stats.formattedDate }}
         </span>
       </div>