Fix the formatting of aggregation rows

[mofojed]

• Before it was using the formatting from the column in the table. Instead, use the totals table column type/formatting
• Wipe out formatted data when updating totals table

Fix for https://deephaven.atlassian.net/browse/DH-12008

[codecov]

Codecov Report

Merging #334 (2f1063d) into main (fadd327) will decrease coverage by 12.65%.
The diff coverage is 8.33%.

@@             Coverage Diff             @@
##             main     #334       +/-   ##
===========================================
- Coverage   39.69%   27.03%   -12.66%     
===========================================
  Files         328        7      -321     
  Lines       23275     2079    -21196     
  Branches     4956      613     -4343     
===========================================
- Hits         9238      562     -8676     
+ Misses      13615     1292    -12323     
+ Partials      422      225      -197     

Flag	Coverage Δ
unit	27.03% <8.33%> (-12.66%)	⬇️

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

Impacted Files	Coverage Δ
packages/iris-grid/src/IrisGridTableModel.js	45.27% <8.33%> (-1.51%)	⬇️
packages/iris-grid/src/TableUtils.js	15.26% <0.00%> (-51.03%)	⬇️
packages/iris-grid/src/IrisGridUtils.js	11.89% <0.00%> (-35.49%)	⬇️
packages/iris-grid/src/Formatter.js	63.41% <0.00%> (-27.29%)	⬇️
packages/iris-grid/src/MissingKeyError.ts	0.00% <0.00%> (-16.67%)	⬇️
packages/iris-grid/src/memoizeClear.js	44.44% <0.00%> (-5.56%)	⬇️
packages/iris-grid/src/IrisGridModel.js	11.21% <0.00%> (-1.63%)	⬇️
...grid/src/mouse-handlers/GridRowTreeMouseHandler.js
packages/components/src/ButtonOld.jsx
... and 319 more

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