Update integration and test dicom package with itkWidgets

[fedorov]

Once dcmqi integration is completed and #1203 is resolved.

Related to InsightSoftwareConsortium/itkwidgets#737.

[thewtex]

WIP:

• itk wasm dicom seg itkwidgets#759
• IDC DICOM use itkwasm-dicom, idc python package itkwidgets#757