Fix a bug in dash client #578

Job	Run time
lint-yaml	6s
build-rust	5m 33s
build-and-push-image-ipxe	6m 53s
build-and-push-image	32m 50s
build-and-push-image-ipmitool	41s
build-and-push-image-bootstrap-node	1m 35s
build-and-push-image-kiss-optimizer-wifi	28s
build-and-push-image-snapshot-git	31s
build-and-push-image-upgrade-csi-rook-ceph	29s
build-and-push-image-upgrade-csi-s3	31s
build-and-push-image-upgrade-kiss	31s
build-and-push-image-upgrade-gpu-nvidia	29s
build-and-push-image-upgrade-fabric-mellanox	36s
build-and-push-image-vine-desktop-alpine	38s
build-and-push-image-vine-dex	26s
build-and-push-image-vine-novnc	45s
build-and-push-image-wsmancli	31s
build-and-push-image-vine-x11vnc	1m 11s
release	11s
	54m 55s

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