[3.0] Optimize BitList method & Reduce Copy in RouterChain

[AlbumenJ]

What is the purpose of the change

Brief changelog

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Checklist

• Make sure there is a GitHub_issue field for the change (usually before you start working on it). Trivial changes like typos do not require a GitHub issue. Your pull request should address just this issue, without pulling in other changes - one PR resolves one issue.
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[codecov-commenter]

Codecov Report

Merging #9369 (c2758dc) into 3.0 (954c715) will decrease coverage by 0.07%.
The diff coverage is 9.09%.

@@             Coverage Diff              @@
##                3.0    #9369      +/-   ##
============================================
- Coverage     65.38%   65.31%   -0.08%     
  Complexity      342      342              
============================================
  Files          1202     1202              
  Lines         51844    51876      +32     
  Branches       7727     7729       +2     
============================================
- Hits          33898    33881      -17     
- Misses        14334    14380      +46     
- Partials       3612     3615       +3     

Impacted Files	Coverage Δ
...java/org/apache/dubbo/rpc/cluster/RouterChain.java	69.69% <0.00%> (-1.08%)	⬇️
...bo/rpc/cluster/router/state/StateRouterResult.java	30.23% <0.00%> (-41.99%)	⬇️
...apache/dubbo/rpc/cluster/router/state/BitList.java	89.00% <50.00%> (-1.32%)	⬇️
...pache/dubbo/common/function/ThrowableFunction.java	71.42% <0.00%> (-28.58%)	⬇️
...dubbo/remoting/exchange/support/DefaultFuture.java	88.88% <0.00%> (-5.13%)	⬇️
...ubbo/common/url/component/param/DynamicValues.java	79.16% <0.00%> (-4.17%)	⬇️
...org/apache/dubbo/rpc/protocol/AbstractInvoker.java	69.15% <0.00%> (-2.81%)	⬇️
...a/org/apache/dubbo/monitor/dubbo/DubboMonitor.java	87.95% <0.00%> (-2.41%)	⬇️
.../registry/zookeeper/ZookeeperServiceDiscovery.java	83.52% <0.00%> (-2.36%)	⬇️
...ng/zookeeper/curator5/Curator5ZookeeperClient.java	63.28% <0.00%> (-1.94%)	⬇️
... and 8 more

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