[3.0] fix destroy IllegalStateException and doOverrideIfNecessary NPE

[zrlw]

What is the purpose of the change

supplement fix #8681

[changfubai]

LGTM.

[codecov-commenter]

Codecov Report

Merging #8768 (3f08380) into 3.0 (afbeaaf) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##                3.0    #8768      +/-   ##
============================================
- Coverage     63.80%   63.79%   -0.01%     
  Complexity      314      314              
============================================
  Files          1169     1169              
  Lines         49200    49216      +16     
  Branches       7360     7363       +3     
============================================
+ Hits          31393    31399       +6     
  Misses        14386    14386              
- Partials       3421     3431      +10     

Impacted Files	Coverage Δ
...a/org/apache/dubbo/rpc/model/ApplicationModel.java	80.26% <100.00%> (+0.26%)	⬆️
...e/dubbo/registry/integration/RegistryProtocol.java	65.65% <100.00%> (+4.82%)	⬆️
...in/java/org/apache/dubbo/common/utils/JVMUtil.java	81.13% <0.00%> (-11.33%)	⬇️
.../apache/dubbo/remoting/transport/AbstractPeer.java	58.69% <0.00%> (-10.87%)	⬇️
...apache/dubbo/rpc/protocol/dubbo/DubboProtocol.java	61.32% <0.00%> (-3.84%)	⬇️
...spring/context/DubboDeployApplicationListener.java	76.74% <0.00%> (-3.26%)	⬇️
.../registry/zookeeper/ZookeeperServiceDiscovery.java	82.14% <0.00%> (-2.39%)	⬇️
...ng/zookeeper/curator5/Curator5ZookeeperClient.java	62.06% <0.00%> (-1.98%)	⬇️
.../exchange/support/header/HeaderExchangeServer.java	66.98% <0.00%> (-1.89%)	⬇️
...che/dubbo/config/deploy/DefaultModuleDeployer.java	63.28% <0.00%> (-1.45%)	⬇️
... and 18 more

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[zrlw]

#8765