Retain default overview mode

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

@@ -874,7 +874,9 @@ public class ApplicationEx extends Application
         } else if (version < 2196) {
             if (!prefs.contains("forward_new"))
                 editor.putBoolean("forward_new", true);
-        } else if (version < 2197) {
+        }
+
+        if (version < 2202) {
             if (!prefs.contains("overview_mode"))
                 editor.putBoolean("overview_mode", false);
         }