experiment: Boxed str attributes

[marc2332]

Attributes don't need any kind of resizing..

[codecov]

Codecov Report

Attention: Patch coverage is 25.00000% with 15 lines in your changes missing coverage. Please review.

Project coverage is 73.57%. Comparing base (ef7142d) to head (24d5d20).
Report is 20 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/state/src/accessibility.rs	17.64%	14 Missing ⚠️
crates/native-core/src/node.rs	50.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1050   +/-   ##
=======================================
  Coverage   73.57%   73.57%           
=======================================
  Files         220      220           
  Lines       27313    27313           
=======================================
  Hits        20096    20096           
  Misses       7217     7217           

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