Add "Rotate wide pages to fit" for webtoon reader too

Closes #1977

(cherry picked from commit 4a7c20f5a088be75e2a7644d6268f9e21a98d147)

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

@@ -285,10 +285,12 @@ object SettingsReaderScreen : SearchableSettings {
 
         val navModePref = readerPreferences.navigationModeWebtoon()
         val dualPageSplitPref = readerPreferences.dualPageSplitWebtoon()
+        val rotateToFitPref = readerPreferences.dualPageRotateToFitWebtoon()
         val webtoonSidePaddingPref = readerPreferences.webtoonSidePadding()
 
         val navMode by navModePref.collectAsState()
         val dualPageSplit by dualPageSplitPref.collectAsState()
+        val rotateToFit by rotateToFitPref.collectAsState()
         val webtoonSidePadding by webtoonSidePaddingPref.collectAsState()
 
         return Preference.PreferenceGroup(
@@ -340,6 +342,10 @@ object SettingsReaderScreen : SearchableSettings {
                 Preference.PreferenceItem.SwitchPreference(
                     pref = dualPageSplitPref,
                     title = stringResource(MR.strings.pref_dual_page_split),
+                    onValueChanged = {
+                        rotateToFitPref.set(false)
+                        true
+                    },
                 ),
                 Preference.PreferenceItem.SwitchPreference(
                     pref = readerPreferences.dualPageInvertWebtoon(),
@@ -347,6 +353,19 @@ object SettingsReaderScreen : SearchableSettings {
                     subtitle = stringResource(MR.strings.pref_dual_page_invert_summary),
                     enabled = dualPageSplit,
                 ),
+                Preference.PreferenceItem.SwitchPreference(
+                    pref = rotateToFitPref,
+                    title = stringResource(MR.strings.pref_page_rotate),
+                    onValueChanged = {
+                        dualPageSplitPref.set(false)
+                        true
+                    },
+                ),
+                Preference.PreferenceItem.SwitchPreference(
+                    pref = readerPreferences.dualPageRotateToFitInvertWebtoon(),
+                    title = stringResource(MR.strings.pref_page_rotate_invert),
+                    enabled = rotateToFit,
+                ),
                 Preference.PreferenceItem.SwitchPreference(
                     pref = readerPreferences.webtoonDoubleTapZoomEnabled(),
                     title = stringResource(MR.strings.pref_double_tap_zoom),

app/src/main/java/eu/kanade/presentation/reader/settings/ReadingModePage.kt

@@ -237,6 +237,19 @@ private fun ColumnScope.WebtoonViewerSettings(screenModel: ReaderSettingsScreenM
         )
     }
 
+    val dualPageRotateToFitWebtoon by screenModel.preferences.dualPageRotateToFitWebtoon().collectAsState()
+    CheckboxItem(
+        label = stringResource(MR.strings.pref_page_rotate),
+        pref = screenModel.preferences.dualPageRotateToFitWebtoon(),
+    )
+
+    if (dualPageRotateToFitWebtoon) {
+        CheckboxItem(
+            label = stringResource(MR.strings.pref_page_rotate_invert),
+            pref = screenModel.preferences.dualPageRotateToFitInvertWebtoon(),
+        )
+    }
+
     CheckboxItem(
         label = stringResource(MR.strings.pref_double_tap_zoom),
         pref = screenModel.preferences.webtoonDoubleTapZoomEnabled(),