[rh-test] Telemetry Backports (#6522)

## Summary

Resolves issues with #6503

## Changes

- Backport #6400
- Fix circular dependency issue
- Backport #6505

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6522-rh-test-Telemetry-Backports-29e6d73d365081258d10c08299bde69b)
by [Unito](https://www.unito.io)

---------

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

tests-ui/tests/store/subgraphStore.test.ts

@@ -13,6 +13,11 @@ import {
   createTestSubgraphNode
 } from '../litegraph/subgraph/fixtures/subgraphHelpers'
 
+// Mock telemetry to break circular dependency (telemetry → workflowStore → app → telemetry)
+vi.mock('@/platform/telemetry', () => ({
+  useTelemetry: () => null
+}))
+
 // Add mock for api at the top of the file
 vi.mock('@/scripts/api', () => ({
   api: {