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 52.85%. Comparing base (7f27500) to head (72ca86c).
Report is 2 commits behind head on canary.

Additional details and impacted files

@@            Coverage Diff             @@
##           canary    #9571      +/-   ##
==========================================
+ Coverage   52.81%   52.85%   +0.03%     
==========================================
  Files        2180     2182       +2     
  Lines       98540    98543       +3     
  Branches    16752    16752              
==========================================
+ Hits        52046    52085      +39     
+ Misses      45055    45014      -41     
- Partials     1439     1444       +5     

Flag	Coverage Δ
server-test	77.83% <ø> (ø)
unittest	32.29% <100.00%> (+0.05%)	⬆️

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