blocksparsezeros with Float64 default

[mtfishman]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 75.15%. Comparing base (37b5183) to head (5fd9dd5).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...locksparsearray/wrappedabstractblocksparsearray.jl	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #146      +/-   ##
==========================================
- Coverage   75.20%   75.15%   -0.06%     
==========================================
  Files          35       35              
  Lines        1823     1827       +4     
==========================================
+ Hits         1371     1373       +2     
- Misses        452      454       +2     

Flag	Coverage Δ
docs	7.56% <0.00%> (-0.02%)	⬇️

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