Fix: Optimize getPath and fix generateBreadCrumbs

src/de/steamwar/sql/SchematicNode.java

@@ -505,7 +505,7 @@ public class SchematicNode {
             builder.append(split);
         }
         while (currentNode.isPresent()) {
-            currentNode = currentNode.flatMap( schematicNode -> Optional.of(NodeMember.getNodeMember(schematicNode.getId(), nodeOwner)).map(NodeMember::getParent).orElse(schematicNode.getOptionalParent())).map(SchematicNode::getSchematicNode);
+            currentNode = currentNode.flatMap(schematicNode -> Optional.ofNullable(NodeMember.getNodeMember(schematicNode.getId(), nodeOwner)).map(NodeMember::getParent).orElse(schematicNode.getOptionalParent())).map(SchematicNode::getSchematicNode);
             currentNode.ifPresent(node -> builder.insert(0, split).insert(0, node.getName()));
         }
         return builder.toString();