More bug fixes (#45)

Fixes:
* Issue from #39 where pressing back from playback went back two screens
instead of one
* Sometimes having to click on a server twice to switch to it
* Update UI when marking a single season as watched
* Fix needing to press back twice to hide skip segment buttons
* Fix skip intro/outro behaviors being swapped
* Always attempt to save playback progress when stopping playback

app/src/main/java/com/github/damontecres/wholphin/util/TrackActivityPlaybackListener.kt

@@ -92,11 +92,12 @@ class TrackActivityPlaybackListener(
     fun release() {
         task.cancel()
         TIMER.purge()
+        val position = player.currentPosition.milliseconds.inWholeTicks
         coroutineScope.launch(Dispatchers.IO + ExceptionHandler()) {
             api.playStateApi.reportPlaybackStopped(
                 PlaybackStopInfo(
                     itemId = itemPlayback.itemId,
-                    positionTicks = withContext(Dispatchers.Main) { player.currentPosition.milliseconds.inWholeTicks },
+                    positionTicks = position,
                     failed = false,
                     playSessionId = playback.playSessionId,
                 ),