feat(editor): store real color values in edgeless

[fundon]

What's Changed!

• adds theme type: ThemeSchema
• adds default theme: DefaultTheme
• stores real color values

[fundon]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
Learn more

• feat(editor): store real color values in edgeless #9254 👈 (View in Graphite)
• feat(editor): update edgeless color palette #9243
• canary

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[codecov]

Codecov Report

Attention: Patch coverage is 20.00000% with 152 lines in your changes missing coverage. Please review.

Project coverage is 34.06%. Comparing base (8059ba4) to head (fada2b8).

Files with missing lines	Patch %	Lines
...ock/widgets/element-toolbar/change-shape-button.ts	0.00%	48 Missing ⚠️
...widgets/element-toolbar/change-connector-button.ts	0.00%	23 Missing ⚠️
...ock/widgets/element-toolbar/change-frame-button.ts	0.00%	14 Missing ⚠️
blocksuite/affine/model/src/themes/color.ts	31.57%	13 Missing ⚠️
...ock/widgets/element-toolbar/change-brush-button.ts	0.00%	13 Missing ⚠️
...ksuite/affine/shared/src/services/theme-service.ts	0.00%	11 Missing ⚠️
...lock/widgets/element-toolbar/change-note-button.ts	0.00%	11 Missing ⚠️
...ot-block/edgeless/components/color-picker/utils.ts	12.50%	7 Missing ⚠️
...suite/affine/block-note/src/note-edgeless-block.ts	0.00%	3 Missing ⚠️
...ock/edgeless/components/panel/line-styles-panel.ts	0.00%	3 Missing ⚠️
... and 5 more

Additional details and impacted files

@@                               Coverage Diff                               @@
##           fundon/12_23_update_edgeless_color_palette    #9254       +/-   ##
===============================================================================
- Coverage                                       49.09%   34.06%   -15.04%     
===============================================================================
  Files                                            2087     1864      -223     
  Lines                                           95365    86632     -8733     
  Branches                                        15952    13707     -2245     
===============================================================================
- Hits                                            46820    29511    -17309     
- Misses                                          47418    56770     +9352     
+ Partials                                         1127      351      -776     

Flag	Coverage Δ
server-test	78.09% <ø> (ø)
unittest	11.46% <20.00%> (-15.12%)	⬇️

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