Fix repetition display bug and history find bug

src/word.rs

@@ -8,8 +8,8 @@ use crate::{AppState, RootMessage};
 use iced::widget::button::danger;
 use iced::widget::{button, column, row, rule, scrollable, text, text_input};
 use iced::{Element, Fill, Task};
-use std::sync::Arc;
 use parking_lot::Mutex;
+use std::sync::Arc;
 
 #[derive(Clone)]
 pub struct WordState {