[3.0] Fix can't authenticate by username and password when use Nacos

[xxxcrel]

What is the purpose of the change

This PR inspired by issue #9910, when nacos enabled authenticate,
RegistryConfig and ConfigCenterConfig setUsername and setPassword is not working
also fixed in master PR #9941

Brief changelog

org.apache.dubbo.registry.nacos.util.NacosNamingServiceUtils
org.apache.dubbo.configcenter.support.nacos.NacosDynamicConfiguration

[codecov-commenter]

Codecov Report

Merging #9942 (b398fa8) into 3.0 (6da4c0c) will decrease coverage by 0.11%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##                3.0    #9942      +/-   ##
============================================
- Coverage     65.70%   65.59%   -0.12%     
  Complexity      319      319              
============================================
  Files          1213     1213              
  Lines         52948    52956       +8     
  Branches       8020     8024       +4     
============================================
- Hits          34792    34735      -57     
- Misses        14363    14411      +48     
- Partials       3793     3810      +17     

Impacted Files	Coverage Δ
...enter/support/nacos/NacosDynamicConfiguration.java	23.56% <0.00%> (-0.62%)	⬇️
...o/registry/nacos/util/NacosNamingServiceUtils.java	80.35% <0.00%> (-6.19%)	⬇️
.../remoting/api/SingleProtocolConnectionManager.java	61.53% <0.00%> (-23.08%)	⬇️
...nt/metadata/ServiceInstanceHostPortCustomizer.java	65.78% <0.00%> (-21.06%)	⬇️
...dubbo/common/status/support/LoadStatusChecker.java	46.15% <0.00%> (-15.39%)	⬇️
...bo/rpc/protocol/dubbo/DecodeableRpcInvocation.java	69.44% <0.00%> (-10.19%)	⬇️
...e/dubbo/rpc/protocol/tri/transport/WriteQueue.java	69.04% <0.00%> (-9.53%)	⬇️
...ava/org/apache/dubbo/rpc/proxy/InvocationUtil.java	81.81% <0.00%> (-9.10%)	⬇️
.../common/threadpool/serial/SerializingExecutor.java	70.37% <0.00%> (-7.41%)	⬇️
...dubbo/remoting/exchange/support/DefaultFuture.java	87.17% <0.00%> (-5.99%)	⬇️
... and 22 more

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