Fix issue when rendering the initial seconds of a play

shared/src/androidMain/kotlin/io/github/andremion/musicplayer/component/player/AudioPlayerImpl.kt

@@ -85,6 +85,7 @@ internal class AudioPlayerImpl(
     }
 
     override fun setTracks(tracks: List<AudioPlayer.Track>) {
+        require(tracks.isNotEmpty()) { "Tracks list must not be empty" }
         if (!controllerFuture.isDone) error("MediaController is not initialized yet")
 
         player.clearMediaItems()

shared/src/commonMain/kotlin/io/github/andremion/musicplayer/ui/player/PlayerScreen.kt

@@ -184,15 +184,7 @@ private fun ScreenContent(
                 )
             }
 
-            var time by remember { mutableStateOf("") }
-            LaunchedEffect(uiState.playerState.time) {
-                // Only update the time if it is not transitioning.
-                // This is to avoid the UI glitching during the transition,
-                // because the movable content is gonna re-compose whenever the time changes.
-                if (!transitionState.isTransitioning) {
-                    time = uiState.playerState.time.format()
-                }
-            }
+            val time = uiState.playerState.time.format()
             val timeText = rememberMovableContent(time) { modifier ->
                 Text(
                     modifier = modifier.animateBounds(),

shared/src/iosMain/kotlin/io/github/andremion/musicplayer/component/player/AudioPlayerImpl.kt

@@ -69,6 +69,7 @@ internal class AudioPlayerImpl : AudioPlayer {
     }
 
     override fun setTracks(tracks: List<AudioPlayer.Track>) {
+        require(tracks.isNotEmpty()) { "Tracks list must not be empty" }
         this.tracks = tracks
         setCurrentItem(index = 0)
     }