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/WidgetFileUpload.vue

@@ -50,6 +50,7 @@
       >
         <!-- Edit button -->
         <button
+          :aria-label="$t('g.editImage')"
           class="flex h-6 w-6 items-center justify-center rounded border-none transition-all duration-150 focus:outline-none"
           style="background-color: #262729"
           @click="handleEdit"
@@ -58,6 +59,7 @@
         </button>
         <!-- Delete button -->
         <button
+          :aria-label="$t('g.deleteImage')"
           class="flex h-6 w-6 items-center justify-center rounded border-none transition-all duration-150 focus:outline-none"
           style="background-color: #262729"
           @click="clearFile"
@@ -128,6 +130,7 @@
         <div class="flex gap-1">
           <!-- Delete button -->
           <button
+            :aria-label="$t('g.deleteAudioFile')"
             class="flex h-8 w-8 items-center justify-center rounded border-none transition-all duration-150 hover:bg-[#262729] focus:outline-none"
             @click="clearFile"
           >
@@ -168,6 +171,7 @@
     type="file"
     class="hidden"
     :accept="widget.options?.accept"
+    :aria-label="`${$t('g.upload')} ${widget.name || $t('g.file')}`"
     :multiple="false"
     @change="handleFileChange"
   />