ArrayIndexOutOfBoundsException in tts.WebViewText.restoreCurrent()

Version 226.
Samsung Galaxy S5 (kltetmo), 1792MB RAM, Android 9:
```
java.lang.ArrayIndexOutOfBoundsException:
at java.util.ArrayList.get (ArrayList.java:439)
at fr.gaulupeau.apps.Poche.tts.WebViewText.restoreCurrent (WebViewText.java:285)
at fr.gaulupeau.apps.Poche.tts.TtsService.playCmd (TtsService.java:422)
at fr.gaulupeau.apps.Poche.tts.TtsService.playPauseCmd (TtsService.java:517)
at fr.gaulupeau.apps.Poche.tts.TtsFragment.playPauseCommand (TtsFragment.java:544)
at fr.gaulupeau.apps.Poche.tts.TtsFragment.lambda$onCreateView$0$TtsFragment (TtsFragment.java:211)
at fr.gaulupeau.apps.Poche.tts.-$$Lambda$TtsFragment$25ExRSWlSGb94g89seH43UFiOOE.onClick (Unknown Source:2)
at android.view.View.performClick (View.java:6597)
at android.view.View.performClickInternal (View.java:6574)
at android.view.View.access$3100 (View.java:778)
at android.view.View$PerformClick.run (View.java:25906)
at android.os.Handler.handleCallback (Handler.java:873)
at android.os.Handler.dispatchMessage (Handler.java:99)
at android.os.Looper.loop (Looper.java:193)
```
One report.