Hotfix: Remove Member when no Members

SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/SchematicCommandUtils.java

@@ -248,7 +248,9 @@ public class SchematicCommandUtils {
         } else {
             List<String> schematicMembers = new ArrayList<>();
             NodeMember.getNodeMembers(node.getId()).forEach(nodeMember -> schematicMembers.add(SteamwarUser.get(nodeMember.getMember()).getUserName()));
-            SchematicSystem.MESSAGE.sendPrefixless("UTIL_INFO_MEMBER", player, schematicMembers.stream().reduce((s, s2) -> s + ", " + s2).orElse(""));
+            if(!schematicMembers.isEmpty()) {
+                SchematicSystem.MESSAGE.sendPrefixless("UTIL_INFO_MEMBER", player, schematicMembers.stream().reduce((s, s2) -> s + ", " + s2).orElse(""));
+            }
         }
 
         TextComponent base = new TextComponent();