Fix issue with websocket send

[vigoo]

Resolves #2275
/claim #2275

[codecov-commenter]

Codecov Report

Patch coverage: 85.71% and project coverage change: -0.03% ⚠️

Comparison is base (3f1fb27) 63.17% compared to head (ff90c68) 63.14%.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2341      +/-   ##
==========================================
- Coverage   63.17%   63.14%   -0.03%     
==========================================
  Files         135      135              
  Lines        7038     7039       +1     
  Branches     1224     1261      +37     
==========================================
- Hits         4446     4445       -1     
- Misses       2592     2594       +2     

Files Changed	Coverage Δ
...ttp/src/main/scala/zio/http/WebSocketChannel.scala	23.80% <0.00%> (-6.20%)	⬇️
...p/src/main/scala/zio/http/netty/NettyChannel.scala	61.53% <100.00%> (ø)
...ain/scala/zio/http/netty/NettyFutureExecutor.scala	85.71% <100.00%> (ø)

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