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.

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

strings/it.json

@@ -179,8 +179,6 @@
   "LabelNarrator": "Narratore",
   "LabelNarrators": "Narratori",
   "LabelNavigateWithVolume": "Navigare con i tasti del volume",
-  "LabelNavigateWithVolumeDisabled": "Disattivo",
-  "LabelNavigateWithVolumeEnabled": "Attivo",
   "LabelNavigateWithVolumeMirrored": "Invertito",
   "LabelNever": "Mai",
   "LabelNewestAuthors": "Nuovi autori",
@@ -190,6 +188,7 @@
   "LabelNotStarted": "Non iniziato",
   "LabelNumEpisodes": "{0} episodi",
   "LabelOff": "Disattivato",
+  "LabelOn": "Attivo",
   "LabelPassword": "Password",
   "LabelPath": "Percorso",
   "LabelPlaybackDirect": "Diretto",