Imviz: spatial subset gets the icon of spectral subset

[Jdaviz-Triage-Bot]

Reporter: Camilla Pacifici

Load image in imviz. Create subset -> icon is spectral subset Create another subset -> first subset now has correct icon and second subset has the icon of a spectral subset.

See screenshot.

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DISCLAIMER: This issue was autocreated by the Jdaviz Issue Creation Bot on behalf of the reporter. If any information is incorrect, please contact Duy Nguyen

[camipacifici]