Fix reader info bar background settings

app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/AppSettings.kt

@@ -368,7 +368,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getBoolean(KEY_READER_BAR, true)
 
 	val isReaderBarTransparent: Boolean
-		get() = prefs.getBoolean(KEY_READER_BAR, true)
+		get() = prefs.getBoolean(KEY_READER_BAR_TRANSPARENT, true)
 
 	val isReaderKeepScreenOn: Boolean
 		get() = prefs.getBoolean(KEY_READER_SCREEN_ON, true)

app/src/main/res/xml/pref_reader.xml

@@ -125,13 +125,13 @@
 		android:defaultValue="true"
 		android:dependency="reader_bar"
 		android:key="reader_bar_transparent"
-		android:title="@string/reader_info_bar_transparent"
-		app:allowDividerAbove="true" />
+		android:title="@string/reader_info_bar_transparent" />
 
 	<ListPreference
 		android:entries="@array/reader_backgrounds"
 		android:key="reader_background"
 		android:title="@string/background"
+		app:allowDividerAbove="true"
 		app:useSimpleSummaryProvider="true" />
 
 	<SwitchPreferenceCompat