Show cursor on panic (#2620)

ratatui::Terminal starts by hiding the cursor. If we panic and abort,
that Terminal instance is not dropped, which leaves restoring the cursor
state to us.

Co-authored-by: Naseschwarz <[email protected]>

Author: naseschwarz

Diff for: src/main.rs

@@ -288,8 +288,10 @@ fn setup_terminal() -> Result<()> {
 }
 
 fn shutdown_terminal() {
+	let mut stdout = io::stdout();
+
 	let leave_screen =
-		io::stdout().execute(LeaveAlternateScreen).map(|_f| ());
+		stdout.execute(LeaveAlternateScreen).map(|_f| ());
 
 	if let Err(e) = leave_screen {
 		eprintln!("leave_screen failed:\n{e}");
@@ -300,6 +302,10 @@ fn shutdown_terminal() {
 	if let Err(e) = leave_raw_mode {
 		eprintln!("leave_raw_mode failed:\n{e}");
 	}
+
+	if let Err(e) = stdout.execute(crossterm::cursor::Show) {
+		eprintln!("Showing cursor failed:\n{e}");
+	}
 }
 
 fn draw(terminal: &mut Terminal, app: &App) -> io::Result<()> {