bugfix: broken enqueue waitHook (#113)

lib/tasks/conference.js

@@ -551,7 +551,8 @@ class Conference extends Task {
         accountInfo: cs.accountInfo,
         memberId: this.memberId,
         confName: this.confName,
-        tasks
+        tasks,
+        rootSpan: cs.rootSpan
       });
       await this._playSession.exec();
       this._playSession = null;

lib/tasks/enqueue.js

@@ -349,7 +349,8 @@ class TaskEnqueue extends Task {
         ep: cs.ep,
         callInfo: cs.callInfo,
         accountInfo: cs.accountInfo,
-        tasks: tasksToRun
+        tasks: tasksToRun,
+        rootSpan: cs.rootSpan
       });
       await this._playSession.exec();
       this._playSession = null;