BugFix: fix trpc stream crash at client when connect failed with high frequency

[weimch]

… frequency

[codecov]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (4147869) 81.76642% compared to head (a92b088) 81.67955%.

Additional details and impacted files

@@                 Coverage Diff                 @@
##                main        #101         +/-   ##
===================================================
- Coverage   81.76642%   81.67955%   -0.08687%     
===================================================
  Files            855         855                 
  Lines          33899       33902          +3     
===================================================
- Hits           27718       27691         -27     
- Misses          6181        6211         +30     

Files	Coverage Δ
...ream/trpc/trpc_client_stream_connection_handler.cc	96.55172% <100.00000%> (ø)
...tream/trpc/trpc_client_stream_connection_handler.h	94.44444% <ø> (ø)
...r/conn_complex/fiber_tcp_conn_complex_connector.cc	84.07643% <100.00000%> (-0.10080%)	⬇️
trpc/stream/trpc/trpc_client_stream_handler.cc	85.71429% <50.00000%> (-3.75939%)	⬇️
trpc/stream/trpc/trpc_server_stream_handler.cc	86.95652% <50.00000%> (-3.51968%)	⬇️

... and 14 files with indirect coverage changes