fix(ci): align Node v22.22.3 pins and unblock pre-push tests

Sync install scripts and CI container image with NODE_VERSION, regenerate
Electron Config.html, and skip gitignored portable/app in origin scan.

Co-authored-by: Cursor <cursoragent@cursor.com>

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
     # Self-hosted Gitea runners are registered as internal_docker, not ubuntu-latest.
     runs-on: internal_docker
     container:
-      image: node:22.22.1
+      image: node:22.22.3
     steps:
       - uses: actions/checkout@v4