fix snpInfo bug and unnest

[danielnachun]

This PR will fix the issue where snpInfo wasn't subsetted correctly for regional sumstats. I've also rolled in another fix for nested functions which are not allowed in bioconductor

[codecov]

Codecov Report

❌ Patch coverage is 98.25480% with 20 lines in your changes missing coverage. Please review.
✅ Project coverage is 98.18%. Comparing base (3796f49) to head (5fd27a4).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
R/sumstatsQc.R	95.45%	6 Missing ⚠️
R/fineMappingPipeline.R	96.33%	4 Missing ⚠️
R/fineMappingWrappers.R	96.33%	4 Missing ⚠️
R/h2EstimationWrappers.R	94.44%	2 Missing ⚠️
R/ld.R	98.64%	1 Missing ⚠️
R/qtlEnrichmentPipeline.R	94.73%	1 Missing ⚠️
R/twasWeightsPipeline.R	97.95%	1 Missing ⚠️
R/variantId.R	94.44%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #566   +/-   ##
=======================================
  Coverage   98.18%   98.18%           
=======================================
  Files          66       66           
  Lines       16982    17027   +45     
=======================================
+ Hits        16673    16718   +45     
  Misses        309      309           

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