[refactor] Migrate manager code from src/composables to src/workbench/extensions/manager (2/2) (#5722)

## Summary

Continuation of

- https://github.com/Comfy-Org/ComfyUI_frontend/pull/5662

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-5722-refactor-Migrate-manager-code-from-src-composables-to-src-workbench-extensions-manag-2766d73d36508165a4f5e1940967248f)
by [Unito](https://www.unito.io)

---------

Co-authored-by: Alexander Brown <drjkl@comfy.org>

tests-ui/tests/components/dialog/content/manager/NodeConflictDialogContent.test.ts

@@ -34,11 +34,14 @@ vi.mock('vue-i18n', () => ({
 const mockConflictData = ref<ConflictDetectionResult[]>([])
 
 // Mock useConflictDetection composable
-vi.mock('@/composables/useConflictDetection', () => ({
-  useConflictDetection: () => ({
-    conflictedPackages: computed(() => mockConflictData.value)
+vi.mock(
+  '@/workbench/extensions/manager/composables/useConflictDetection',
+  () => ({
+    useConflictDetection: () => ({
+      conflictedPackages: computed(() => mockConflictData.value)
+    })
   })
-}))
+)
 
 describe('NodeConflictDialogContent', () => {
   let pinia: ReturnType<typeof createPinia>