Revert "removed sub dub toggle(useless)"

This reverts commit 60981ba224.

app/src/main/java/ani/dantotsu/media/MediaDetailsViewModel.kt

@@ -53,6 +53,7 @@ class MediaDetailsViewModel : ViewModel() {
                 true -> sharedPreferences.getInt("settings_def_anime_source_s_r", 0)
                 else -> sharedPreferences.getInt(("settings_def_manga_source_s_r"), 0)
             }
+            it.preferDub = loadData("settings_prefer_dub") ?: false
             saveSelected(media.id, it)
             it
         }

app/src/main/java/ani/dantotsu/settings/SettingsActivity.kt

@@ -436,6 +436,11 @@ class SettingsActivity : AppCompatActivity(), SimpleDialog.OnDialogResultListene
             ).edit().putBoolean("shared_user_id", isChecked).apply()
         }
 
+        binding.settingsPreferDub.isChecked = loadData("settings_prefer_dub") ?: false
+        binding.settingsPreferDub.setOnCheckedChangeListener { _, isChecked ->
+            saveData("settings_prefer_dub", isChecked)
+        }
+
         //val mangaSource = loadData<Int>("settings_def_manga_source_s")?.let { if (it >= MangaSources.names.size) 0 else it } ?: 0
         val mangaSource = getSharedPreferences(
             "Dantotsu",

app/src/main/java/ani/dantotsu/subcriptions/SubscriptionHelper.kt

@@ -36,6 +36,7 @@ class SubscriptionHelper {
                     } else {
                         sharedPreferences.getInt("settings_def_manga_source_s_r", 0)
                     }
+                it.preferDub = loadData("settings_prefer_dub", context) ?: false
                 it
             }
             return data