Fix loading bug where button text did not appear

src/main.rs

@@ -877,6 +877,7 @@ impl State for GameState {
                             *text_image = Some(font.render(text, &style)?);
                             Ok(())
                         })?;
+                        if text_image.is_some() {
                             mi.is_loaded = true;
                             if i + 1 < self.menu.items.len() {
                                 self.menu.items[i + 1].is_loaded = false;
@@ -884,6 +885,7 @@ impl State for GameState {
                                 self.current_finished = true;
                             }
                         }
+                    }
                     MenuItemType::AppearingText {
                         text,
                         text_image,