Feat: Rename and Delete for imported Models ☁️ (#6969)

## Summary

Add Rename and Delete options for Personal Models.

Also updates and standardizes some styles for Cards and adds a simple
Confirmation dialog.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6969-WIP-Feat-Rename-and-Delete-for-custom-Models-2b86d73d36508140a687e929b0544ae6)
by [Unito](https://www.unito.io)

---------

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

src/platform/assets/components/AssetBrowserModal.vue

@@ -26,7 +26,7 @@
           v-model="searchQuery"
           :autofocus="true"
           size="lg"
-          :placeholder="$t('assetBrowser.searchAssetsPlaceholder')"
+          :placeholder="$t('g.searchPlaceholder')"
           class="max-w-96"
         />
         <IconTextButton