feat: add Comfy.Queue.ToggleOverlay command for job history panel (#7805)

## Summary

Move queue overlay expanded state from local ref to useQueueUIStore,
enabling command-based control similar to minimap toggle. fix #7803 

## Screenshots


https://github.com/user-attachments/assets/d79927ea-0b7e-44c5-bfaf-2f50dcc012ab

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-7805-feat-add-Comfy-Queue-ToggleOverlay-command-for-job-history-panel-2d96d73d365081018916ef490d57ce92)
by [Unito](https://www.unito.io)

---------

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

src/stores/queueStore.ts

@@ -618,3 +618,13 @@ export const useQueueSettingsStore = defineStore('queueSettingsStore', {
     batchCount: 1
   })
 })
+
+export const useQueueUIStore = defineStore('queueUIStore', () => {
+  const isOverlayExpanded = ref(false)
+
+  function toggleOverlay() {
+    isOverlayExpanded.value = !isOverlayExpanded.value
+  }
+
+  return { isOverlayExpanded, toggleOverlay }
+})