Fix onion skinning internals activating audio/method/animation tracks

editor/plugins/animation_player_editor_plugin.cpp

@@ -1635,7 +1635,7 @@ void AnimationPlayerEditor::_prepare_onion_layers_2_step_prepare(int p_step_offs
 		bool valid = anim->get_loop_mode() != Animation::LOOP_NONE || (pos >= 0 && pos <= anim->get_length());
 		onion.captures_valid[p_capture_idx] = valid;
 		if (valid) {
-			player->seek(pos, true);
+			player->seek(pos, true, true);
 			OS::get_singleton()->get_main_loop()->process(0);
 			// This is the key: process the frame and let all callbacks/updates/notifications happen
 			// so everything (transforms, skeletons, etc.) is up-to-date visually.