Fix ui nits for playback screen

The top bar now updates properly when starting playback, and the
upcoming list items no longer marquee.

src/ui/include/ui_fsm.hpp

@@ -49,8 +49,8 @@ class UiState : public tinyfsm::Fsm<UiState> {
   void react(const tinyfsm::Event& ev) {}
 
   virtual void react(const system_fsm::BatteryStateChanged&);
-  virtual void react(const audio::PlaybackStarted&){};
-  virtual void react(const audio::PlaybackFinished&){};
+  virtual void react(const audio::PlaybackStarted&);
+  virtual void react(const audio::PlaybackFinished&);
   virtual void react(const audio::PlaybackUpdate&) {}
   virtual void react(const audio::QueueUpdate&) {}
 

src/ui/screen_playing.cpp

@@ -99,6 +99,7 @@ auto Playing::control_button(lv_obj_t* parent, char* icon) -> lv_obj_t* {
 auto Playing::next_up_label(lv_obj_t* parent, const std::string& text)
     -> lv_obj_t* {
   lv_obj_t* button = lv_list_add_btn(parent, NULL, text.c_str());
+  lv_label_set_long_mode(lv_obj_get_child(button, -1), LV_LABEL_LONG_DOT);
   lv_obj_add_event_cb(button, below_fold_focus_cb, LV_EVENT_FOCUSED, this);
   lv_group_add_obj(group_, button);
   return button;

src/ui/ui_fsm.cpp

@@ -91,6 +91,14 @@ void UiState::react(const system_fsm::BatteryStateChanged&) {
   UpdateTopBar();
 }
 
+void UiState::react(const audio::PlaybackStarted&) {
+  UpdateTopBar();
+}
+
+void UiState::react(const audio::PlaybackFinished&) {
+  UpdateTopBar();
+}
+
 void UiState::UpdateTopBar() {
   auto battery_state = sServices->battery().State();
   bool has_queue = sServices->track_queue().GetCurrent().has_value();
@@ -260,18 +268,17 @@ void Playing::exit() {
 }
 
 void Playing::react(const audio::PlaybackStarted& ev) {
-  vTaskPrioritySet(NULL, 0);
   UpdateTopBar();
   sPlayingScreen->OnTrackUpdate();
 }
 
-void Playing::react(const audio::PlaybackUpdate& ev) {
-  sPlayingScreen->OnPlaybackUpdate(ev.seconds_elapsed, ev.seconds_total);
-}
-
 void Playing::react(const audio::PlaybackFinished& ev) {
   UpdateTopBar();
-  vTaskPrioritySet(NULL, 10);
+  sPlayingScreen->OnTrackUpdate();
+}
+
+void Playing::react(const audio::PlaybackUpdate& ev) {
+  sPlayingScreen->OnPlaybackUpdate(ev.seconds_elapsed, ev.seconds_total);
 }
 
 void Playing::react(const audio::QueueUpdate& ev) {