Allow mirroring headless output for bspace extension

Author: ERSUCC

src/main/HeadlessChildModel.scala

@@ -22,7 +22,8 @@ class HeadlessChildModel (parentWorkspace: AbstractWorkspace, path: String, mode
       new org.nlogo.compile.Compiler(if (Version.is3D) NetLogoThreeDDialect else NetLogoLegacyDialect),
       new org.nlogo.render.Renderer(world),
       new org.nlogo.sdm.AggregateManagerLite,
-      null) {
+      null,
+      Option(parentWorkspace)) {
 
     override def sendOutput(oo: OutputObject, toOutputArea: Boolean): Unit = {
       frame.foreach { f => onEDT {