fixing up some warnings

src/main.rs

@@ -7,7 +7,6 @@ use cosmic::iced::window::{Mode, Position};
 use cosmic::iced::{
     self, event, window, Length, Padding, Point,
 };
-use cosmic::iced_core::SmolStr;
 use cosmic::iced_futures::Subscription;
 use cosmic::iced_widget::{column, row};
 use cosmic::prelude::ElementExt;

src/ui/presenter.rs

@@ -66,7 +66,7 @@ impl Presenter {
         let slides = items.to_slides().unwrap_or_default();
         Self {
             slides: slides.clone(),
-            items: items,
+            items,
             current_slide: slides[0].clone(),
             current_slide_index: 0,
             video: {