🧩 refactor: Decouple MCP Config from Startup Config (#10689)

* Decouple mcp config from start up config

* Chore: Work on AI Review and Copilot Comments

- setRawConfig is not needed since the private raw config is not needed any more
- !!serversLoading bug fixed
- added unit tests for route /api/mcp/servers
- copilot comments addressed

* chore: remove comments

* chore: rename data-provider dir for MCP

* chore: reorganize mcp specific query hooks

* fix: consolidate imports for MCP server manager

* chore: add dev-staging branch to frontend review workflow triggers

* feat: add GitHub Actions workflow for building and pushing Docker images to GitHub Container Registry and Docker Hub

* fix: update label for tag input in BookmarkForm tests to improve clarity

---------

Co-authored-by: Atef Bellaaj <slalom.bellaaj@external.daimlertruck.com>
Co-authored-by: Danny Avila <danny@librechat.ai>

.github/workflows/frontend-review.yml

@@ -5,6 +5,7 @@ on:
     branches: 
       - main
       - dev
+      - dev-staging
       - release/*
     paths:
       - 'client/**'