FusionStyle on type

[ogauthe]

This PR changes FusionStyle to act on type. It removes the explicit dependency on axes as well as combine_fusion_styles.

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 94.13%. Comparing base (e235d04) to head (d30fa3b).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/matricize.jl	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #54      +/-   ##
==========================================
- Coverage   94.22%   94.13%   -0.09%     
==========================================
  Files          14       14              
  Lines         398      392       -6     
==========================================
- Hits          375      369       -6     
  Misses         23       23              

Flag	Coverage Δ
docs	0.00% <0.00%> (ø)

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