Update toss and crossterm event polling

cove-tui/src/main.rs

@@ -8,6 +8,7 @@ use ui::Ui;
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
     let mut terminal = Terminal::new()?;
+    terminal.set_measuring(true);
     Ui::run(&mut terminal).await?;
     Ok(())
 }