Correctly reshape nd-arrays in Plotly pane

[philippjfr]

Fixes #6172

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (9237e1e) 84.64% compared to head (480e994) 82.90%.
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6174      +/-   ##
==========================================
- Coverage   84.64%   82.90%   -1.74%     
==========================================
  Files         296      296              
  Lines       44184    44207      +23     
==========================================
- Hits        37401    36652     -749     
- Misses       6783     7555     +772     

Flag	Coverage Δ
ui-tests	38.33% <100.00%> (-2.40%)	⬇️
unitexamples-tests	72.34% <0.00%> (-0.23%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.