[3.0] Check duplicated ReferenceConfig/ServiceConfig by unique service name

[kylixs]

What is the purpose of the change

Check duplicated ReferenceConfig/ServiceConfig by unique service name, improve adding large numbers of references/services.

Brief changelog

Verifying this change

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.
• Each commit in the pull request should have a meaningful subject line and body.
• Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
• Check if is necessary to patch to Dubbo 3 if you are work on Dubbo 2.7
• Write necessary unit-test to verify your logic correction, more mock a little better when cross module dependency exist. If the new feature or significant change is committed, please remember to add sample in dubbo samples project.
• Add some description to dubbo-website project if you are requesting to add a feature.
• GitHub Actions works fine on your own branch.
• If this contribution is large, please follow the Software Donation Guide.

[codecov-commenter]

Codecov Report

Merging #8198 (08e61b3) into 3.0 (99b42d9) will increase coverage by 0.30%.
The diff coverage is 62.22%.

@@             Coverage Diff              @@
##                3.0    #8198      +/-   ##
============================================
+ Coverage     63.22%   63.53%   +0.30%     
- Complexity      311      312       +1     
============================================
  Files          1074     1074              
  Lines         45169    45207      +38     
  Branches       6792     6806      +14     
============================================
+ Hits          28559    28722     +163     
+ Misses        13440    13292     -148     
- Partials       3170     3193      +23     

Impacted Files	Coverage Δ
...ava/org/apache/dubbo/config/ApplicationConfig.java	80.64% <ø> (-2.59%)	⬇️
...ain/java/org/apache/dubbo/config/MethodConfig.java	87.96% <ø> (-0.76%)	⬇️
...n/java/org/apache/dubbo/config/ProtocolConfig.java	95.00% <ø> (ø)
...n/java/org/apache/dubbo/config/ProviderConfig.java	92.43% <ø> (-0.85%)	⬇️
...a/org/apache/dubbo/config/ReferenceConfigBase.java	69.49% <ø> (-0.85%)	⬇️
...n/java/org/apache/dubbo/config/RegistryConfig.java	91.12% <ø> (ø)
...ava/org/apache/dubbo/config/ServiceConfigBase.java	63.90% <ø> (-0.60%)	⬇️
.../config/spring/reference/ReferenceBeanManager.java	84.31% <ø> (ø)
...org/apache/dubbo/config/context/ConfigManager.java	77.19% <60.46%> (-3.76%)	⬇️
...n/java/org/apache/dubbo/config/AbstractConfig.java	79.94% <100.00%> (+3.48%)	⬆️
... and 27 more

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