fix(ci): test stale chunks in split bundle (#11595)

The V8 coverage build inlines every dynamic import, so the stale chunk tests cannot intercept a page chunk. Run those tests against the normal code-split bundle and exclude them from the inlined coverage pass.

Assisted-by: Codex:gpt-5

Co-authored-by: localai-org-maint-bot <306269227+localai-org-maint-bot@users.noreply.github.com>

.github/workflows/tests-ui-e2e.yml

@@ -52,6 +52,8 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install -y build-essential libopus-dev
+      - name: Run stale chunk recovery tests
+        run: PATH="$PATH:$HOME/go/bin" make test-ui-stale-chunk
       # Builds an instrumented UI bundle, runs the Playwright specs, and fails
       # if line coverage regressed beyond the jitter tolerance (the gate is
       # in `make test-ui-coverage-check`). PLAYWRIGHT_CHROMIUM_PATH is unset