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/WidgetInputNumberSlider.vue

@@ -10,6 +10,7 @@
         v-bind="filteredProps"
         class="flex-grow text-xs"
         :step="stepValue"
+        :aria-label="widget.name"
         @update:model-value="updateLocalValue"
       />
       <InputNumber
@@ -19,6 +20,7 @@
         :step="stepValue"
         :min-fraction-digits="precision"
         :max-fraction-digits="precision"
+        :aria-label="widget.name"
         size="small"
         pt:pc-input-text:root="min-w-full bg-transparent border-none text-center"
         class="w-16"