add aria labels on vue node widgets (#6032)

## Summary

Adds aria labels to buttons and widgets without pre-existing text
labels.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6032-add-aria-labels-on-vue-node-widgets-28a6d73d36508198a1c0ef7098ad24e8)
by [Unito](https://www.unito.io)

src/renderer/extensions/vueNodes/widgets/components/WidgetTextarea.vue

@@ -5,6 +5,7 @@
       v-bind="filteredProps"
       :class="cn(WidgetInputBaseClass, 'w-full text-xs lod-toggle')"
       :placeholder="placeholder || widget.name || ''"
+      :aria-label="widget.name"
       size="small"
       rows="3"
       data-capture-wheel="true"