tasks: ui: use embassy-futures instead of futures crate

src/tasks/ui.rs

@@ -99,12 +99,12 @@ impl<S: Debug + Surface<Uniforms = Uniforms, CoordinateSpace = SegmentSpace, Pix
                 let panels = Animation::default().duration(Duration::from_millis(300)).to(128);
                 let bg = Animation::default().duration(Duration::from_millis(300)).to(32);
                 let motion = Animation::default().duration(Duration::from_secs(1)).to(0);
-                join!(
+                embassy_futures::join::join4(
                     tail.apply(&mut self.tail),
                     panels.apply(&mut self.panels),
                     bg.apply(&mut self.background),
                     motion.apply(&mut self.motion)
-                );
+                ).await;
                 self.background.set_shader(Background::default());
             },
             Scene::Idle => {
@@ -114,12 +114,12 @@ impl<S: Debug + Surface<Uniforms = Uniforms, CoordinateSpace = SegmentSpace, Pix
                 let bg_fade = Animation::default().duration(Duration::from_millis(300)).to(128);
                 
                 // FIXME: The scenes shouldn't be touching the brake/headlights at all here. In fact, they should be dealt with in a whole separate task from the main UI, maybe running on the motion prediction executor
-                join!(
+                embassy_futures::join::join4(
                     fg_fade.apply(&mut self.tail),
                     fg_fade.apply(&mut self.panels),
                     bg_fade.apply(&mut self.background),
                     fg_fade.apply(&mut self.motion)
-                );
+                ).await;
             },
             Scene::Accelerating => {
                 self.motion.set_shader(Movement::default());