Add "Rotate wide pages to fit" setting for paged reader

Originally authored in #7983

Co-authored-by: timothyng-164 <timothyng-164@users.noreply.github.com>
(cherry picked from commit 953720472fe64ef488ecae7ae7fea453b8c7c68b)

# Conflicts:
#	app/src/main/java/eu/kanade/tachiyomi/ui/reader/setting/ReaderReadingModeSettings.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerConfig.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerPageHolder.kt
#	app/src/main/res/layout/reader_pager_settings.xml

app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsReaderScreen.kt

@@ -183,10 +183,12 @@ object SettingsReaderScreen : SearchableSettings {
         val navModePref = readerPreferences.navigationModePager()
         val imageScaleTypePref = readerPreferences.imageScaleType()
         val dualPageSplitPref = readerPreferences.dualPageSplitPaged()
+        val rotateToFitPref = readerPreferences.dualPageRotateToFit()
 
         val navMode by navModePref.collectAsState()
         val imageScaleType by imageScaleTypePref.collectAsState()
         val dualPageSplit by dualPageSplitPref.collectAsState()
+        val rotateToFit by rotateToFitPref.collectAsState()
 
         return Preference.PreferenceGroup(
             title = stringResource(R.string.pager_viewer),
@@ -255,6 +257,10 @@ object SettingsReaderScreen : SearchableSettings {
                 Preference.PreferenceItem.SwitchPreference(
                     pref = dualPageSplitPref,
                     title = stringResource(R.string.pref_dual_page_split),
+                    onValueChanged = {
+                        rotateToFitPref.set(false)
+                        true
+                    },
                 ),
                 Preference.PreferenceItem.SwitchPreference(
                     pref = readerPreferences.dualPageInvertPaged(),
@@ -262,6 +268,19 @@ object SettingsReaderScreen : SearchableSettings {
                     subtitle = stringResource(R.string.pref_dual_page_invert_summary),
                     enabled = dualPageSplit,
                 ),
+                Preference.PreferenceItem.SwitchPreference(
+                    pref = rotateToFitPref,
+                    title = stringResource(R.string.pref_page_rotate),
+                    onValueChanged = {
+                        dualPageSplitPref.set(false)
+                        true
+                    },
+                ),
+                Preference.PreferenceItem.SwitchPreference(
+                    pref = readerPreferences.dualPageRotateToFitInvert(),
+                    title = stringResource(R.string.pref_page_rotate_invert),
+                    enabled = rotateToFit,
+                ),
             ),
         )
     }