Feat: Load Image (from Outputs) support in Vue Nodes (#6836)

## Summary

Expose the Auto-refresh and manual refresh controls.
Fixes an issue with the Dropdown where it was index dependent so wasn't
updating correctly as new items came in.

## Screenshots

<!-- Add screenshots or video recording to help explain your changes -->

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6836-Feat-Load-Image-from-Outputs-support-in-Vue-Nodes-2b46d73d365081f1b44fcf2054d653da)
by [Unito](https://www.unito.io)

tests-ui/tests/renderer/extensions/vueNodes/widgets/composables/useRemoteWidget.test.ts

@@ -610,8 +610,7 @@ describe('useRemoteWidget', () => {
         false,
         expect.any(Function),
         {
-          serialize: false,
-          canvasOnly: true
+          serialize: false
         }
       )
     })