fix(tui): restore shared paste burst char interval

codex-rs/tui/src/bottom_pane/paste_burst.rs

@@ -154,12 +154,7 @@ const PASTE_BURST_MIN_CHARS: u16 = 3;
 const PASTE_ENTER_SUPPRESS_WINDOW: Duration = Duration::from_millis(120);
 
 // Maximum delay between consecutive chars to be considered part of a paste burst.
-// Windows terminals (especially VS Code integrated terminal) deliver paste events
-// more slowly than native terminals, so we use a higher threshold there.
-#[cfg(not(windows))]
 const PASTE_BURST_CHAR_INTERVAL: Duration = Duration::from_millis(8);
-#[cfg(windows)]
-const PASTE_BURST_CHAR_INTERVAL: Duration = Duration::from_millis(30);
 
 // Idle timeout before flushing buffered paste content.
 // Slower paste bursts have been observed in Windows environments.