feat(personalization): implement new protocol split for treeland-protocols 0.6.0 - #1384

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

The function 'treeland_appearance_v1_titlebar_height' is never used.

The function 'treeland_appearance_v1_color_scheme' is never used.

The function 'treeland_appearance_v1_window_opacity' is never used.

The function 'treeland_appearance_v1_accent_color' is never used.

The function 'treeland_appearance_v1_icon_theme' is never used.

The function 'treeland_appearance_v1_font_size' is never used.

The function 'treeland_appearance_v1_monospace_font' is never used.

The function 'treeland_appearance_v1_font' is never used.

The function 'treeland_appearance_v1_cursor_size' is never used.