fix(grpc): client stream recv returning io.EOF is not error

[felix021]

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fix

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fix: Client stream recv 返回 io.EOF 不应被记为 error

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.56%. Comparing base (a4a1cc9) to head (5869f55).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1279      +/-   ##
===========================================
+ Coverage    68.49%   68.56%   +0.07%     
===========================================
  Files          285      285              
  Lines        20643    20643              
===========================================
+ Hits         14139    14154      +15     
+ Misses        5321     5310      -11     
+ Partials      1183     1179       -4     

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