Fix export from interactive (#14224) (#198)

Author: IanMatthewHuff

src/client/datascience/interactive-window/interactiveWindow.ts

@@ -259,7 +259,7 @@ export class InteractiveWindow extends InteractiveBase implements IInteractiveWi
                 break;
 
             case InteractiveWindowMessages.ExportNotebookAs:
-                this.handleMessage(message, payload, this.exportAs.bind);
+                this.handleMessage(message, payload, this.exportAs);
                 break;
 
             case InteractiveWindowMessages.HasCellResponse: