feat(telemetry): help center and workflow creation (#6505)

## Summary

For Cloud distribution:
1. Track help center usage
2. Track workflow creation

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6505-feat-telemetry-help-center-and-workflow-creation-29e6d73d36508185af8ccbf19d5af9e7)
by [Unito](https://www.unito.io)

---------

Co-authored-by: Christian Byrne <chrbyrne96@gmail.com>
Co-authored-by: Christian Byrne <cbyrne@comfy.org>
Co-authored-by: Claude <noreply@anthropic.com>

tests-ui/tests/platform/cloud/subscription/composables/useSubscriptionActions.test.ts

@@ -12,11 +12,15 @@ const mockT = vi.fn((key: string) => {
   return key
 })
 
-vi.mock('vue-i18n', () => ({
-  useI18n: () => ({
-    t: mockT
-  })
-}))
+vi.mock('vue-i18n', async (importOriginal) => {
+  const actual = await importOriginal<typeof import('vue-i18n')>()
+  return {
+    ...actual,
+    useI18n: () => ({
+      t: mockT
+    })
+  }
+})
 
 vi.mock('@/composables/auth/useFirebaseAuthActions', () => ({
   useFirebaseAuthActions: () => ({