Prevent duplicate conversation actions

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

@@ -1590,6 +1590,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
 
         private void bindBody(TupleMessageEx message, final boolean scroll) {
             tvBody.setText(null);
+            clearActions();
 
             ibSeen.setImageResource(message.ui_seen
                     ? R.drawable.baseline_visibility_off_24 : R.drawable.baseline_visibility_24);