VOXEDIT: fixed invalid state in scene renderer after aligning the models

this is changing the transforms and the region mins - thus the renderer doesn't know anything
anymore about the volumes on the old positions.

src/tools/voxedit/modules/voxedit-util/SceneManager.cpp

@@ -1676,6 +1676,7 @@ void SceneManager::construct() {
 
 	command::Command::registerCommand("align", [this] (const command::CmdArgs& args) {
 		_sceneGraph.align();
+		_sceneRenderer->clear();
 		for (const auto &entry : _sceneGraph.nodes()) {
 			const scenegraph::SceneGraphNode &node = entry->second;
 			if (!node.isModelNode()) {