Add ability to tweak auto hide sensitivity in Webtoon Reader (#5650)

* Tweak threshold

* Put setting under Webtoon instead

Because it only affects Webtoon related viewers

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsReaderController.kt

@@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.ui.setting
 import android.os.Build
 import androidx.preference.PreferenceScreen
 import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.preference.PreferenceValues
 import eu.kanade.tachiyomi.data.preference.PreferenceValues.TappingInvertMode
 import eu.kanade.tachiyomi.data.preference.asImmediateFlow
 import eu.kanade.tachiyomi.ui.reader.setting.OrientationType
@@ -274,6 +275,21 @@ class SettingsReaderController : SettingsController() {
                 defaultValue = "0"
                 summary = "%s"
             }
+            listPreference {
+                key = Keys.readerHideThreshold
+                titleRes = R.string.pref_hide_threshold
+                entriesRes = arrayOf(
+                    R.string.pref_highest,
+                    R.string.pref_high,
+                    R.string.pref_low,
+                    R.string.pref_lowest
+                )
+                entryValues = PreferenceValues.ReaderHideThreshold.values()
+                    .map { it.name }
+                    .toTypedArray()
+                defaultValue = "${PreferenceValues.ReaderHideThreshold.LOW}"
+                summary = "%s"
+            }
             switchPreference {
                 key = Keys.cropBordersWebtoon
                 titleRes = R.string.pref_crop_borders