Fix span setStatus

[jack-berg]

Resolves #6797.

Supersedes #6808.

[codecov]

Codecov Report

Attention: Patch coverage is 85.71429% with 1 line in your changes missing coverage. Please review.

Project coverage is 90.02%. Comparing base (ccccd1b) to head (5cddee5).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
.../main/java/io/opentelemetry/sdk/trace/SdkSpan.java	85.71%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #6990      +/-   ##
============================================
+ Coverage     89.97%   90.02%   +0.05%     
- Complexity     6591     6597       +6     
============================================
  Files           729      729              
  Lines         19852    19858       +6     
  Branches       1953     1955       +2     
============================================
+ Hits          17861    17877      +16     
+ Misses         1396     1387       -9     
+ Partials        595      594       -1     

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