[#noissue] Refactor GrpcSpanBinder

[emeroad]

No description provided.

[codecov]

Codecov Report

Merging #10056 (a042c6f) into master (ac0c445) will decrease coverage by 0.01%.
The diff coverage is 44.73%.

@@             Coverage Diff              @@
##             master   #10056      +/-   ##
============================================
- Coverage     38.59%   38.59%   -0.01%     
- Complexity    11629    11633       +4     
============================================
  Files          3577     3578       +1     
  Lines         93376    93389      +13     
  Branches      10327    10327              
============================================
+ Hits          36037    36039       +2     
- Misses        54256    54263       +7     
- Partials       3083     3087       +4     

Impacted Files	Coverage Δ
...t/collector/handler/grpc/GrpcSpanChunkHandler.java	0.00% <0.00%> (ø)
...npoint/collector/handler/grpc/GrpcSpanHandler.java	0.00% <0.00%> (ø)
.../main/java/com/navercorp/pinpoint/grpc/Header.java	48.21% <0.00%> (ø)
...pinpoint/common/server/bo/grpc/GrpcSpanBinder.java	39.73% <45.45%> (+0.40%)	⬆️
...ommon/server/bo/grpc/CollectorGrpcSpanFactory.java	77.41% <66.66%> (+2.41%)	⬆️
.../pinpoint/common/server/bo/grpc/BindAttribute.java	76.92% <76.92%> (ø)

... and 14 files with indirect coverage changes