fix: correct replay action to prevent reloading same file

shared/src/commonMain/kotlin/fr/ajaury/gwenedeg/player/ui/viewmodel/PlayerViewModel.kt

@@ -95,28 +95,32 @@ class PlayerViewModel(
 
     fun loadSubtitle(resourcePath: String) {
         viewModelScope.launch {
-            subtitle.value =
-                try {
-                    val content = resourceReader.read(resourcePath = resourcePath)
-                    subtitleRepository.getSubtitle(content = content)
-                } catch (exception: Exception) {
-                    logger.error(
-                        message = "Failed to load subtitle: $resourcePath",
-                        throwable = exception,
-                    )
-                    Subtitle(emptyList())
-                }
+            subtitle.value = try {
+                val content = resourceReader.read(resourcePath = resourcePath)
+                subtitleRepository.getSubtitle(content = content)
+            } catch (exception: Exception) {
+                logger.error(
+                    message = "Failed to load subtitle: $resourcePath",
+                    throwable = exception,
+                )
+                Subtitle(emptyList())
+            }
         }
     }
 
     fun performMainPlayAction() {
         when (uiState.value.playbackState) {
             PlaybackState.PLAYING -> audioPlayer.pause()
-            PlaybackState.ENDED -> filePath?.let { play(it) }
+            PlaybackState.ENDED -> replay()
             PlaybackState.PAUSED, PlaybackState.IDLE -> audioPlayer.play()
         }
     }
 
+    fun replay() {
+        audioPlayer.seekTo(0.milliseconds)
+        audioPlayer.play()
+    }
+
     fun seekToTimePart(progress: Float) {
         val position = (progress.toDouble() * uiState.value.playbackTiming.durationMs).milliseconds
         audioPlayer.seekTo(position)