feat: inputs/outputs filter to widget dropdown (#5894)

related https://github.com/Comfy-Org/ComfyUI_frontend/issues/5827

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-5894-feat-inputs-outputs-filter-to-widget-dropdown-2806d73d365081498d92d0576b7da6a8)
by [Unito](https://www.unito.io)

---------

Co-authored-by: bymyself <cbyrne@comfy.org>

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

@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'vitest'
+import { describe, expect, it, vi } from 'vitest'
 
 import WidgetButton from '@/renderer/extensions/vueNodes/widgets/components/WidgetButton.vue'
 import WidgetColorPicker from '@/renderer/extensions/vueNodes/widgets/components/WidgetColorPicker.vue'
@@ -15,6 +15,12 @@ import {
   shouldRenderAsVue
 } from '@/renderer/extensions/vueNodes/widgets/registry/widgetRegistry'
 
+vi.mock('@/stores/queueStore', () => ({
+  useQueueStore: vi.fn(() => ({
+    historyTasks: []
+  }))
+}))
+
 describe('widgetRegistry', () => {
   describe('getComponent', () => {
     // Test number type mappings