iris: load application-owned fonts

app/src/desktop/app.rs

@@ -57,6 +57,7 @@ struct Client {
 
 impl DesktopAppState for Client {
     fn new(mut ui_state: DesktopUiState, rsc: &mut StdRsc<Self>) -> Self {
+        crate::ui::register_fonts(&mut rsc.ui);
         let (server, ca_pem) = super::startup::load_startup_config().unwrap_or_else(|e| {
             eprintln!("desktop-app: {e}");
             process::exit(2);