Release Notes: - N/A --- - Set `.SystemUIFont` as the GPUI default font. - Add `Arial` to font fallback list. - Add `Adwaita Sans` to default fallback list for Gnome. - Move `Ubuntu` font to front of Gnome to make sure Ubuntu System takes priority over `Ubuntu` font. Our application get some crash report: ``` panicked at /Users/admin/.cargo/git/checkouts/zed-a70e2ad075855582/f1db3b4/crates/gpui/src/text_system.rs:150:9: failed to resolve font 'Helvetica' or any of the fallbacks: Zed Plex Mono, Helvetica, Segoe UI, Cantarell, Ubuntu, Noto Sans, DejaVu Sans ``` This change to add `Arial` to fallback list, this font was included in macOS and Windows. Ref link (search "Arial"): > Mac OS X (now known as [macOS](https://en.wikipedia.org/wiki/MacOS)) was the first Mac OS version to include Arial; > https://en.wikipedia.org/wiki/Arial - macOS Sequoia: https://support.apple.com/en-us/120414 - Windows 10: https://learn.microsoft.com/en-us/typography/fonts/windows_10_font_list - Gnome: https://developer.gnome.org/hig/guidelines/typography.html