[2.7] Ignore invalid MetadataReportConfig

[kylixs]

What is the purpose of the change

Ignore invalid MetadataReportConfig.

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.
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• If this contribution is large, please follow the Software Donation Guide.

[codecov-commenter]

Codecov Report

Merging #8068 (cb0d16b) into master (8892a36) will decrease coverage by 0.88%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master    #8068      +/-   ##
============================================
- Coverage     61.16%   60.27%   -0.89%     
+ Complexity      491      489       -2     
============================================
  Files          1091     1091              
  Lines         43953    43953              
  Branches       6417     6417              
============================================
- Hits          26882    26494     -388     
- Misses        14088    14495     +407     
+ Partials       2983     2964      -19     

Impacted Files	Coverage Δ
.../apache/dubbo/config/bootstrap/DubboBootstrap.java	43.77% <0.00%> (-10.91%)	⬇️
...ookeeper/ZookeeperDynamicConfigurationFactory.java	0.00% <0.00%> (-100.00%)	⬇️
...gcenter/wrapper/CompositeDynamicConfiguration.java	0.00% <0.00%> (-73.34%)	⬇️
...pport/zookeeper/ZookeeperDynamicConfiguration.java	0.00% <0.00%> (-57.15%)	⬇️
...fig/configcenter/TreePathDynamicConfiguration.java	31.42% <0.00%> (-54.29%)	⬇️
...a/org/apache/dubbo/rpc/filter/AccessLogFilter.java	28.35% <0.00%> (-50.75%)	⬇️
.../dubbo/metadata/report/MetadataReportInstance.java	12.50% <0.00%> (-40.63%)	⬇️
...va/org/apache/dubbo/rpc/support/AccessLogData.java	53.16% <0.00%> (-37.98%)	⬇️
.../configcenter/support/zookeeper/CacheListener.java	0.00% <0.00%> (-28.58%)	⬇️
...ng/transport/dispatcher/all/AllChannelHandler.java	62.06% <0.00%> (-27.59%)	⬇️
... and 43 more

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