win: stream: reset tty stream on close

This was overlooked in 8072f085d2.

Analogous to 8a782f1699.

fix #10668
ref 8072f085d2 #9884
ref 8a782f1699 #2377

src/nvim/event/stream.c

@@ -97,6 +97,13 @@ void stream_close(Stream *stream, stream_close_cb on_stream_close, void *data)
   stream->close_cb = on_stream_close;
   stream->close_cb_data = data;
 
+#ifdef WIN32
+  if (UV_TTY == uv_guess_handle(stream->fd)) {
+    // Undo UV_TTY_MODE_RAW from stream_init(). #10801
+    uv_tty_set_mode(&stream->uv.tty, UV_TTY_MODE_NORMAL);
+  }
+#endif
+
   if (!stream->pending_reqs) {
     stream_close_handle(stream);
   }

test/functional/fixtures/tty-test.c

@@ -38,6 +38,9 @@ bool owns_tty(void)
 static void walk_cb(uv_handle_t *handle, void *arg)
 {
   if (!uv_is_closing(handle)) {
+#ifdef WIN32
+    uv_tty_set_mode(&tty, UV_TTY_MODE_NORMAL);
+#endif
     uv_close(handle, NULL);
   }
 }