fix: Panels not reinitializing if makeModel changes

[mattrunyon]

Mostly needed for Deephaven UI w/ widget plugin loading which will recreate the makeModel method if a new widget is created

[codecov]

Codecov Report

Attention: 33 lines in your changes are missing coverage. Please review.

Comparison is base (52ba2cd) 46.63% compared to head (29f98e9) 46.65%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1633      +/-   ##
==========================================
+ Coverage   46.63%   46.65%   +0.01%     
==========================================
  Files         591      591              
  Lines       36406    36406              
  Branches     9113     9116       +3     
==========================================
+ Hits        16979    16984       +5     
+ Misses      19375    19370       -5     
  Partials       52       52              

Flag	Coverage Δ
unit	46.65% <21.42%> (+0.01%)	⬆️

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

Files	Coverage Δ
...s/app-utils/src/plugins/remote-component.config.ts	100.00% <ø> (ø)
...shboard-core-plugins/src/panels/ChartPanelUtils.ts	33.33% <100.00%> (+13.33%)	⬆️
...ckages/dashboard-core-plugins/src/panels/Panel.tsx	69.67% <ø> (ø)
...ashboard-core-plugins/src/panels/IrisGridPanel.tsx	43.24% <75.00%> (+0.19%)	⬆️
packages/dashboard-core-plugins/src/GridPlugin.tsx	33.33% <0.00%> (+8.33%)	⬆️
...ckages/dashboard-core-plugins/src/PandasPlugin.tsx	33.33% <0.00%> (+8.33%)	⬆️
...s/dashboard-core-plugins/src/panels/ChartPanel.tsx	61.40% <57.14%> (-0.32%)	⬇️
...kages/dashboard-core-plugins/src/useHydrateGrid.ts	0.00% <0.00%> (ø)
...ackages/dashboard-core-plugins/src/ChartPlugin.tsx	3.77% <0.00%> (-0.49%)	⬇️

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