fix(share/shwap/getters): set span err only if all getters truly failed, otherwise just record err in span for single getter failure

[renaynay]

Span records all getters failed if only 1 getter failed but get op succeeds on 2nd.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 45.05%. Comparing base (2469e7a) to head (25ededc).
Report is 443 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4130      +/-   ##
==========================================
+ Coverage   44.83%   45.05%   +0.21%     
==========================================
  Files         265      308      +43     
  Lines       14620    22550    +7930     
==========================================
+ Hits         6555    10160    +3605     
- Misses       7313    11302    +3989     
- Partials      752     1088     +336     

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