fix: styling for change dataset confirmation

[hughhhh]

SUMMARY

Set the confirm modal to width 432px

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TEST PLAN

ADDITIONAL INFORMATION

• Has associated issue:
• Changes UI
• Requires DB Migration.
• Confirm DB Migration upgrade and downgrade tested.
• Introduces new feature or API
• Removes existing feature or API

[betodealmeida]

🚢

[codecov-io]

Codecov Report

Merging #12471 (d63ceb5) into master (75f927b) will increase coverage by 4.36%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master   #12471      +/-   ##
==========================================
+ Coverage   62.76%   67.12%   +4.36%     
==========================================
  Files        1015     1015              
  Lines       49526    50238     +712     
  Branches     5080     5130      +50     
==========================================
+ Hits        31084    33722    +2638     
+ Misses      18233    16386    -1847     
+ Partials      209      130      -79     

Flag	Coverage Δ
cypress	51.30% <0.00%> (?)
javascript	60.75% <100.00%> (+<0.01%)	⬆️
python	64.53% <ø> (+0.45%)	⬆️

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

Impacted Files	Coverage Δ
...-frontend/src/datasource/ChangeDatasourceModal.tsx	83.95% <100.00%> (-0.86%)	⬇️
superset/css_templates/api.py	94.54% <0.00%> (-1.20%)	⬇️
...ews/CRUD/annotationlayers/AnnotationLayerModal.tsx	74.71% <0.00%> (-0.87%)	⬇️
...ntend/src/views/CRUD/annotation/AnnotationList.tsx	76.08% <0.00%> (-0.84%)	⬇️
...t-frontend/src/views/CRUD/welcome/SavedQueries.tsx	60.41% <0.00%> (-0.64%)	⬇️
superset/charts/api.py	80.86% <0.00%> (-0.60%)	⬇️
...tend/src/views/CRUD/annotation/AnnotationModal.tsx	66.14% <0.00%> (-0.53%)	⬇️
...erset-frontend/src/SqlLab/components/ResultSet.tsx	66.35% <0.00%> (-0.32%)	⬇️
...frontend/src/views/CRUD/alert/AlertReportModal.tsx	46.78% <0.00%> (-0.24%)	⬇️
... and 195 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 75f927b...d63ceb5. Read the comment docs.

[adam-stasiak]

Confirm modal should be 432 or the green area 432? You can see that exact width of modal is 408