fix(ttstream): metrics missing caused by server-side rpcinfo not set correctly

[DMwangnima]

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fix

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[codecov]

Codecov Report

Attention: Patch coverage is 75.75758% with 8 lines in your changes missing coverage. Please review.

Project coverage is 60.37%. Comparing base (b3ca38d) to head (6ca6da9).
Report is 1 commits behind head on develop.

Files with missing lines	Patch %	Lines
pkg/remote/trans/ttstream/server_handler.go	74.19%	5 Missing and 3 partials ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1787      +/-   ##
===========================================
- Coverage    60.44%   60.37%   -0.07%     
===========================================
  Files          379      379              
  Lines        34437    34438       +1     
===========================================
- Hits         20815    20793      -22     
- Misses       12364    12386      +22     
- Partials      1258     1259       +1     

Flag	Coverage Δ
integration	48.27% <75.75%> (+<0.01%)	⬆️
unit	50.78% <60.60%> (+0.01%)	⬆️

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