Create base "Dialog" component to standardize dialogs across codebase

[cmdcolin]

This PR adds a base "Dialog" class here. It essentially provides a standard close button, and scopedcssbaseline which is helpful in embedded

Fixes #2465

[codecov]

Codecov Report

Merging #3368 (18c8ffb) into main (cef4792) will increase coverage by 0.15%.
The diff coverage is 60.09%.

❗ Current head 18c8ffb differs from pull request most recent head 74b3851. Consider uploading reports for the commit 74b3851 to get more accurate results

@@            Coverage Diff             @@
##             main    #3368      +/-   ##
==========================================
+ Coverage   59.72%   59.87%   +0.15%     
==========================================
  Files         776      777       +1     
  Lines       29520    29417     -103     
  Branches     7157     7114      -43     
==========================================
- Hits        17631    17614      -17     
+ Misses      11693    11612      -81     
+ Partials      196      191       -5     

Impacted Files	Coverage Δ
...aseFeatureWidget/SequenceFeatureSettingsDialog.tsx	6.25% <0.00%> (+1.25%)	⬆️
...ages/core/BaseFeatureWidget/SequenceHelpDialog.tsx	0.00% <0.00%> (-10.00%)	⬇️
packages/core/ui/FactoryResetDialog.tsx	22.22% <0.00%> (ø)
packages/core/ui/ReturnToImportFormDialog.tsx	0.00% <ø> (-8.34%)	⬇️
...rPileupDisplay/components/ColorByModifications.tsx	0.00% <0.00%> (ø)
.../src/LinearPileupDisplay/components/ColorByTag.tsx	100.00% <ø> (ø)
...src/LinearPileupDisplay/components/FilterByTag.tsx	0.00% <ø> (ø)
...inearPileupDisplay/components/SetFeatureHeight.tsx	0.00% <ø> (ø)
...rc/LinearPileupDisplay/components/SetMaxHeight.tsx	0.00% <ø> (ø)
...s/src/LinearPileupDisplay/components/SortByTag.tsx	0.00% <ø> (ø)
... and 32 more

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