Hide display cutout setting if fullscreen is off (#241)

- make it behave like the one on more -> setting -> reader

Co-authored-by: Riztard <16263232+Riztard@users.noreply.github.com>
(cherry picked from commit 9cc0c4e0359cf06ef6257fc289f05a6f4fb9cf6e)

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

@@ -63,7 +63,7 @@ internal fun ColumnScope.GeneralPage(screenModel: ReaderSettingsScreenModel) {
         pref = screenModel.preferences.fullscreen(),
     )
 
-    if (screenModel.hasDisplayCutout) {
+    if (screenModel.hasDisplayCutout && screenModel.preferences.fullscreen().get()) {
         CheckboxItem(
             label = stringResource(MR.strings.pref_cutout_short),
             pref = screenModel.preferences.cutoutShort(),