[WV-4859]"View Your Full Ballot" sticky button overlaps social media icons and footer content on the Candidate page [TEAM_VIEW]- #4909 - #4919

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-node@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/