feat(v3): add desktop-only "Start in fullscreen" system option - #938

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@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

File has too many lines (4138). Maximum allowed is 1500

File has too many lines (1988). Maximum allowed is 1500

File has too many lines (2726). Maximum allowed is 1500

File has too many lines (2975). Maximum allowed is 1500

File has too many lines (2326). Maximum allowed is 1500

File has too many lines (4140). Maximum allowed is 1500

File has too many lines (15829). Maximum allowed is 1500