solve Broadcast cluster means that multiple machines will be called, which is not converted to injvm protocol at this time.

[xiaoheng1]

What is the purpose of the change

solve Broadcast cluster means that multiple machines will be called, which is not converted to injvm protocol at this time.

see more detail from #6842

Brief changelog

XXXXX

Verifying this change

XXXXX

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[codecov-io]

Codecov Report

Merging #7365 (64b3771) into master (a588723) will decrease coverage by 0.01%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master    #7365      +/-   ##
============================================
- Coverage     58.64%   58.62%   -0.02%     
+ Complexity      425      424       -1     
============================================
  Files          1043     1043              
  Lines         42482    42484       +2     
  Branches       6217     6218       +1     
============================================
- Hits          24914    24908       -6     
- Misses        14780    14791      +11     
+ Partials       2788     2785       -3     

Impacted Files	Coverage Δ	Complexity Δ
...apache/dubbo/common/constants/CommonConstants.java	100.00% <ø> (ø)	0.00 <0.00> (ø)
...apache/dubbo/rpc/protocol/injvm/InjvmProtocol.java	77.77% <0.00%> (-4.58%)	0.00 <0.00> (ø)
.../apache/dubbo/rpc/protocol/AsyncToSyncInvoker.java	62.06% <0.00%> (-10.35%)	0.00% <0.00%> (ø%)
...ng/transport/dispatcher/all/AllChannelHandler.java	82.75% <0.00%> (-6.90%)	0.00% <0.00%> (ø%)
...he/dubbo/remoting/transport/netty/NettyServer.java	70.17% <0.00%> (-3.51%)	8.00% <0.00%> (-1.00%)
...dubbo/remoting/exchange/support/DefaultFuture.java	84.61% <0.00%> (-3.42%)	0.00% <0.00%> (ø%)
.../org/apache/dubbo/rpc/model/ServiceDescriptor.java	88.23% <0.00%> (-2.95%)	0.00% <0.00%> (ø%)
...he/dubbo/common/threadpool/ThreadlessExecutor.java	94.23% <0.00%> (-1.93%)	0.00% <0.00%> (ø%)
...a/org/apache/dubbo/monitor/dubbo/DubboMonitor.java	86.66% <0.00%> (-1.91%)	16.00% <0.00%> (ø%)
...e/dubbo/remoting/transport/netty4/NettyClient.java	69.56% <0.00%> (-1.45%)	0.00% <0.00%> (ø%)
... and 6 more

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