朗读暂停时，下一章现在会自动开始播放; 修复朗读暂停时直接下一章/段，系统媒体控件还保留在暂停状态的问题 (#5105)

app/src/main/java/io/legado/app/service/BaseReadAloudService.kt

@@ -285,6 +285,7 @@ abstract class BaseReadAloudService : BaseService(),
         needResumeOnAudioFocusGain = false
         needResumeOnCallStateIdle = false
         upReadAloudNotification()
+        upMediaSessionPlaybackState(PlaybackStateCompat.STATE_PLAYING)
         postEvent(EventBus.ALOUD_STATE, Status.PLAY)
     }
 
@@ -664,11 +665,13 @@ abstract class BaseReadAloudService : BaseService(),
     open fun prevChapter() {
         toLast = false
         ReadBook.moveToPrevChapter(true, toLast = false)
+        play()
     }
 
     open fun nextChapter() {
         ReadBook.upReadTime()
         AppLog.putDebug("${ReadBook.curTextChapter?.chapter?.title} 朗读结束跳转下一章并朗读")
+        play()
         if (!ReadBook.moveToNextChapter(true)) {
             stopSelf()
         }