Disable double tap to read by default

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

@@ -4133,7 +4133,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                             .putExtra("found", viewType == ViewType.SEARCH)
                             .putExtra("searched", searched);
 
-                    boolean doubletap = prefs.getBoolean("doubletap", true);
+                    boolean doubletap = prefs.getBoolean("doubletap", false);
 
                     if (!doubletap ||
                             (message.uid == null && message.accountProtocol == EntityAccount.TYPE_IMAP) ||

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

@@ -648,6 +648,9 @@ public class ApplicationEx extends Application
         else if (version < 1951) {
             if (prefs.contains("open_unsafe"))
                 editor.putBoolean("open_safe", !prefs.getBoolean("open_unsafe", true));
+        } else if (version < 1955) {
+            if (!prefs.contains("doubletap"))
+                editor.putBoolean("doubletap", true);
         }
 
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && !BuildConfig.DEBUG)

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

@@ -570,7 +570,7 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
 
         swFolderNav.setChecked(prefs.getBoolean("foldernav", false));
 
-        swDoubleTap.setChecked(prefs.getBoolean("doubletap", true));
+        swDoubleTap.setChecked(prefs.getBoolean("doubletap", false));
         swSwipeNav.setChecked(prefs.getBoolean("swipenav", true));
         swVolumeNav.setChecked(prefs.getBoolean("volumenav", false));
         swReversed.setChecked(prefs.getBoolean("reversed", false));