Prevent selecting silence

app/src/main/java/eu/faircode/email/FragmentOptions.java

@@ -217,6 +217,7 @@ public class FragmentOptions extends FragmentEx implements SharedPreferences.OnS
                 intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE, RingtoneManager.TYPE_NOTIFICATION);
                 intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TITLE, getString(R.string.title_advanced_sound));
                 intent.putExtra(RingtoneManager.EXTRA_RINGTONE_SHOW_DEFAULT, true);
+                intent.putExtra(RingtoneManager.EXTRA_RINGTONE_SHOW_SILENT, false);
                 intent.putExtra(RingtoneManager.EXTRA_RINGTONE_EXISTING_URI, sound == null ? null : Uri.parse(sound));
                 startActivityForResult(Helper.getChooser(getContext(), intent), ActivitySetup.REQUEST_SOUND);
             }