Cut music on objection if config is enabled for it (does not transmit networked message yet)

src/courtroom.cpp

@@ -1336,6 +1336,8 @@ void Courtroom::handle_chatmessage(QStringList *p_contents)
     case 2:
       ui_vp_objection->play("objection", f_char, f_custom_theme, 724);
       objection_player->play("objection.wav", f_char, f_custom_theme);
+      if (ao_app->get_objectmusic())
+          music_player->play(""); //I'd prefer if this sent a networked message instead so everyone would have their music cut when you object.
       break;
     case 3:
       ui_vp_objection->play("takethat", f_char, f_custom_theme, 724);