[ISSUE #4432] fix dubbo invoker cache bugs.

[iwangjie]

fix #4432

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 #4433 (c94749e) into master (19c0fb2) will decrease coverage by 0.01%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master    #4433      +/-   ##
============================================
- Coverage     68.02%   68.02%   -0.01%     
+ Complexity     7494     7493       -1     
============================================
  Files          1023     1023              
  Lines         29013    29013              
  Branches       2593     2594       +1     
============================================
- Hits          19736    19735       -1     
- Misses         7728     7729       +1     
  Partials       1549     1549              

Impacted Files	Coverage Δ
...gin/apache/dubbo/cache/ApacheDubboConfigCache.java	64.76% <0.00%> (ø)
...henyu/admin/service/impl/UpstreamCheckService.java	66.09% <0.00%> (-1.15%)	⬇️
...shenyu/sync/data/consul/ConsulSyncDataService.java	80.00% <0.00%> (+1.66%)	⬆️

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[iwangjie]

@mahaitao617 Hi. I have tested that it works in multiple namespaces, please review.