Haptic feedback

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

@@ -380,6 +380,7 @@ public class FragmentMessages extends FragmentEx {
         fab.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
+                Helper.hapticFeedback(view);
                 startActivity(new Intent(getContext(), ActivityCompose.class)
                         .putExtra("action", "new")
                         .putExtra("account", (Long) fab.getTag())