[fix:bug] Fix admin sync bug

[yunlongn]

Make sure that:

• You have read the contribution guidelines.
• You submit test cases (unit or integration tests) that back your changes.
• Your local test passed ./mvnw clean install -Dmaven.javadoc.skip=true.

[codecov-commenter]

Codecov Report

Merging #4941 (c664868) into master (402594a) will increase coverage by 0.03%.
Report is 1 commits behind head on master.
The diff coverage is 60.00%.

@@             Coverage Diff              @@
##             master    #4941      +/-   ##
============================================
+ Coverage     63.92%   63.95%   +0.03%     
+ Complexity     8553     8529      -24     
============================================
  Files          1207     1207              
  Lines         35913    35895      -18     
  Branches       3222     3219       -3     
============================================
+ Hits          22957    22958       +1     
+ Misses        11110    11084      -26     
- Partials       1846     1853       +7     

Files Changed	Coverage Δ
...ice/converter/AbstractSelectorHandleConverter.java	4.16% <0.00%> (-79.17%)	⬇️
...henyu/admin/service/impl/UpstreamCheckService.java	66.47% <0.00%> (+8.19%)	⬆️
...egister/ShenyuClientRegisterDivideServiceImpl.java	43.75% <100.00%> (-13.66%)	⬇️
...register/ShenyuClientRegisterDubboServiceImpl.java	70.00% <100.00%> (+3.33%)	⬆️
.../register/ShenyuClientRegisterGrpcServiceImpl.java	70.00% <100.00%> (-7.78%)	⬇️
...er/ShenyuClientRegisterSpringCloudServiceImpl.java	71.87% <100.00%> (+3.45%)	⬆️
.../register/ShenyuClientRegisterTarsServiceImpl.java	68.96% <100.00%> (+0.39%)	⬆️
...nyu/common/dto/convert/selector/DubboUpstream.java	73.61% <100.00%> (ø)

... and 5 files with indirect coverage changes

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[loongs-zhang]

hashCode also need modify.