fix #332 Ensure CloseWebSocketFrame will be sent by the Server/Client

[violetagg]

When CloseWebSocketFrame is received by the Server/Client, the inbound
has to be completed so that the CloseWebSocketFrame is process correctly
and send back, otherwise the CloseWebSocketFrame will be stored to the
pending writes but it will not be sent until inbound is competed.

[codecov-io]

Codecov Report

Merging #334 into master will decrease coverage by 0.24%.
The diff coverage is 100%.

@@             Coverage Diff             @@
##             master    #334      +/-   ##
===========================================
- Coverage     68.54%   68.3%   -0.25%     
+ Complexity     1027    1024       -3     
===========================================
  Files            73      73              
  Lines          4314    4316       +2     
  Branches        614     614              
===========================================
- Hits           2957    2948       -9     
- Misses          989     998       +9     
- Partials        368     370       +2

Impacted Files	Coverage Δ	Complexity Δ
.../ipc/netty/http/client/HttpClientWSOperations.java	75% <100%> (-3.67%)	18 <0> (-1)
.../ipc/netty/http/server/HttpServerWSOperations.java	62.5% <100%> (+2.5%)	14 <0> (+1)	⬆️
...ctor/ipc/netty/resources/DefaultPoolResources.java	75.86% <0%> (-3.45%)	8% <0%> (-1%)
...java/reactor/ipc/netty/channel/ContextHandler.java	71.56% <0%> (-1.97%)	26% <0%> (-1%)
...actor/ipc/netty/http/server/HttpServerHandler.java	77.62% <0%> (-1.4%)	41% <0%> (-1%)
...or/ipc/netty/channel/ChannelOperationsHandler.java	63.97% <0%> (-1.16%)	59% <0%> (-1%)
...or/ipc/netty/http/client/HttpClientOperations.java	56.31% <0%> (-1.06%)	78% <0%> (-2%)
.../ipc/netty/channel/PooledClientContextHandler.java	68.06% <0%> (+5.04%)	27% <0%> (+2%)	⬆️
... and 1 more

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[violetagg]

Closed via 9275373