Fix Jupyter display

[anpaz]

Description

For an unknown reason, we were passing a list to display instead of a single object with the HTML view. This used to work, but it was broken for recent Jupyter and Jupyter Lab versions.

Fixes #68

Type of change

Please delete options that are not relevant.

• [x] Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

• Automated and manual tests on Jupyter

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] Any dependent changes have been merged and published in downstream modules

[codecov-commenter]

Codecov Report

Merging #70 (b425fd2) into main (7a7086c) will not change coverage. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #70   +/-   ##
=======================================
  Coverage   89.05%   89.05%           
=======================================
  Files           4        4           
  Lines         265      265           
  Branches       33       33           
=======================================
  Hits          236      236           
  Misses         18       18           
  Partials       11       11           

Impacted Files	Coverage Δ
quantum-viz/quantum_viz/widget.py	91.52% <100.00%> (ø)

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