Auto subscribe when select server in naming client

[sodaRyCN]

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[codecov-commenter]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (89c5ab6) 32.69% compared to head (2d0696b) 34.20%.

❗ Current head 2d0696b differs from pull request most recent head 8c8c69d. Consider uploading reports for the commit 8c8c69d to get more accurate results

Files	Patch %	Lines
...nts/naming_client/naming_http/naming_http_proxy.go	0.00%	2 Missing ⚠️
clients/naming_client/naming_proxy_delegate.go	0.00%	2 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #708      +/-   ##
==========================================
+ Coverage   32.69%   34.20%   +1.50%     
==========================================
  Files          45       45              
  Lines        3294     3298       +4     
==========================================
+ Hits         1077     1128      +51     
+ Misses       2136     2088      -48     
- Partials       81       82       +1     

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