Revise Volume Imaging Ex for use of newly released `panel-neuroglancer` #290

Job	Run time
Deploy on Merge	1m 16s
Deploy on Merge	52s
Removals	0s
Removals	0s
Deployments (volumetric_imaging) / deploy volumetric_imaging	2m 22s
Deployments (volumetric_imaging) / deploy volumetric_imaging	2m 18s
Deployments (volumetric_imaging) / remove ${{ inputs.removedproject }}	0s
Deployments (volumetric_imaging) / remove ${{ inputs.removedproject }}	0s
	6m 48s

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