scheduler: fix missing tree id in GetQuotaSummary() (koordinator-sh#1853

)

Signed-off-by: Jason Liu <jasonliu747@gmail.com>

pkg/scheduler/plugins/elasticquota/core/group_quota_manager.go

@@ -708,6 +708,7 @@ func (gqm *GroupQuotaManager) GetQuotaSummary(quotaName string, includePods bool
 	quotaSummary := quotaInfo.GetQuotaSummary(includePods)
 	runtime := gqm.RefreshRuntimeNoLock(quotaName)
 	quotaSummary.Runtime = runtime.DeepCopy()
+	quotaSummary.Tree = gqm.treeID
 	return quotaSummary, true
 }