[WIP] Make more operations more agnostic about the block type

[mtfishman]

To do:

• Generalize other operations.
• Add tests.

[codecov]

Codecov Report

Attention: Patch coverage is 31.94444% with 49 lines in your changes missing coverage. Please review.

Project coverage is 7.38%. Comparing base (c297c03) to head (8bc96d1).

Files with missing lines	Patch %	Lines
...ksparsearrayinterface/blocksparsearrayinterface.jl	7.69%	12 Missing ⚠️
src/blocksparsearray/blocksparsearray.jl	33.33%	10 Missing ⚠️
src/factorizations/svd.jl	0.00%	7 Missing ⚠️
...locksparsearray/wrappedabstractblocksparsearray.jl	68.75%	5 Missing ⚠️
src/blocksparsearrayinterface/arraylayouts.jl	0.00%	5 Missing ⚠️
...stractblocksparsearray/abstractblocksparsearray.jl	0.00%	3 Missing ⚠️
src/blocksparsearrayinterface/broadcast.jl	50.00%	3 Missing ⚠️
src/BlockArraysExtensions/blockedunitrange.jl	50.00%	2 Missing ⚠️
src/abstractblocksparsearray/map.jl	0.00%	2 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (c297c03) and HEAD (8bc96d1). Click for more details.

HEAD has 6 uploads less than BASE

Flag	BASE (c297c03)	HEAD (8bc96d1)
	6	0

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #136       +/-   ##
==========================================
- Coverage   75.09%   7.38%   -67.71%     
==========================================
  Files          35      34        -1     
  Lines        1775    1800       +25     
==========================================
- Hits         1333     133     -1200     
- Misses        442    1667     +1225     

Flag	Coverage Δ
docs	7.38% <31.94%> (+0.90%)	⬆️

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[mtfishman]

This needs to be updated to reflect #137 and also can be simplified a bit once ITensor/TypeParameterAccessors.jl#51 lands.

[mtfishman]

Reminder to split this off into a separate PR.