feat(editor): add affine toolbar widget

[fundon]

No description provided.

[fundon]

• feat(editor): add toolbar registry extension #9572
• feat(editor): add affine toolbar widget #9571 👈 (View in Graphite)
• canary

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.72%. Comparing base (cac0b7f) to head (014cf31).

Additional details and impacted files

@@            Coverage Diff             @@
##           canary    #9571      +/-   ##
==========================================
- Coverage   52.96%   52.72%   -0.25%     
==========================================
  Files        2178     2180       +2     
  Lines       98039    98042       +3     
  Branches    16683    16640      -43     
==========================================
- Hits        51926    51691     -235     
- Misses      44700    44908     +208     
- Partials     1413     1443      +30     

Flag	Coverage Δ
server-test	77.81% <ø> (-0.72%)	⬇️
unittest	32.31% <100.00%> (+<0.01%)	⬆️

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