Turn page while playing (#1383) fixes #1365

* Add an EReader setting for turning when playing

This allows to allow the navigation with the Volume buttons even when
audiobooks are playing.

---------

Co-authored-by: advplyr <advplyr@protonmail.com>

strings/fr.json

@@ -179,8 +179,6 @@
   "LabelNarrator": "Narrateur",
   "LabelNarrators": "Narrateurs",
   "LabelNavigateWithVolume": "Naviguer avec les touches de volume",
-  "LabelNavigateWithVolumeDisabled": "Désactivé",
-  "LabelNavigateWithVolumeEnabled": "Activé",
   "LabelNavigateWithVolumeMirrored": "En miroir",
   "LabelNever": "Jamais",
   "LabelNewestAuthors": "Auteurs récents",
@@ -190,6 +188,7 @@
   "LabelNotStarted": "Pas commencé",
   "LabelNumEpisodes": "{0} épisodes",
   "LabelOff": "Éteint",
+  "LabelOn": "Activé",
   "LabelPassword": "Mot de passe",
   "LabelPath": "Chemin",
   "LabelPlaybackDirect": "Direct",