Discard empty message without questions

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

@@ -994,6 +994,9 @@ public class FragmentCompose extends FragmentBase {
     }
 
     private void onActionDiscard() {
+        if (isEmpty())
+            onAction(R.id.action_delete);
+        else {
             Bundle args = new Bundle();
             args.putString("question", getString(R.string.title_ask_discard));
 
@@ -1002,6 +1005,7 @@ public class FragmentCompose extends FragmentBase {
             fragment.setTargetFragment(this, REQUEST_DISCARD);
             fragment.show(getFragmentManager(), "compose:discard");
         }
+    }
 
     private void onActionSend() {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());