[ISSUE-#7464] Fix unlisten key miatch problem.

[horizonzy]

What is the purpose of the change

For-#7464.

[codecov-io]

Codecov Report

Merging #7465 (ff30e50) into master (041f8bb) will decrease coverage by 0.10%.
The diff coverage is 50.00%.

@@             Coverage Diff              @@
##             master    #7465      +/-   ##
============================================
- Coverage     59.37%   59.26%   -0.11%     
+ Complexity      501      500       -1     
============================================
  Files          1077     1079       +2     
  Lines         43306    43329      +23     
  Branches       6314     6301      -13     
============================================
- Hits          25713    25679      -34     
- Misses        14752    14804      +52     
- Partials       2841     2846       +5     

Impacted Files	Coverage Δ	Complexity Δ
...gistry/client/migration/MigrationRuleListener.java	73.52% <50.00%> (ø)	0.00 <0.00> (ø)
...bo/config/event/listener/LoggingEventListener.java	37.50% <0.00%> (-25.00%)	0.00% <0.00%> (ø%)
...ntext/event/AwaitingNonWebApplicationListener.java	48.48% <0.00%> (-24.25%)	0.00% <0.00%> (ø%)
...rg/apache/dubbo/remoting/utils/PayloadDropper.java	76.92% <0.00%> (-15.39%)	0.00% <0.00%> (ø%)
.../apache/dubbo/rpc/protocol/AsyncToSyncInvoker.java	62.06% <0.00%> (-10.35%)	0.00% <0.00%> (ø%)
...xt/DubboLifecycleComponentApplicationListener.java	92.30% <0.00%> (-7.70%)	0.00% <0.00%> (ø%)
...tadata/DynamicConfigurationServiceNameMapping.java	84.21% <0.00%> (-4.98%)	0.00% <0.00%> (ø%)
...ava/org/apache/dubbo/config/DubboShutdownHook.java	70.21% <0.00%> (-4.26%)	0.00% <0.00%> (ø%)
...pache/dubbo/remoting/transport/AbstractServer.java	53.16% <0.00%> (-3.80%)	0.00% <0.00%> (ø%)
...c/main/java/org/apache/dubbo/rpc/RpcException.java	80.00% <0.00%> (-3.34%)	0.00% <0.00%> (ø%)
... and 16 more

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[AlbumenJ]

LGTM.

[xiaoheng1]

LGTM