[master] fix destroy IllegalStateException and doOverrideIfNecessary NPE

[zrlw]

What is the purpose of the change

fix #8681 on master

[codecov-commenter]

Codecov Report

Merging #8683 (e09ea60) into master (7d95364) will increase coverage by 0.03%.
The diff coverage is 80.00%.

@@             Coverage Diff              @@
##             master    #8683      +/-   ##
============================================
+ Coverage     61.03%   61.07%   +0.03%     
+ Complexity      448      447       -1     
============================================
  Files          1097     1097              
  Lines         44398    44406       +8     
  Branches       6466     6469       +3     
============================================
+ Hits          27098    27119      +21     
+ Misses        14317    14301      -16     
- Partials       2983     2986       +3     

Impacted Files	Coverage Δ
...a/org/apache/dubbo/rpc/model/ApplicationModel.java	75.00% <75.00%> (ø)
...e/dubbo/registry/integration/RegistryProtocol.java	62.31% <83.33%> (+2.00%)	⬆️
...ava/org/apache/dubbo/config/DubboShutdownHook.java	84.61% <0.00%> (-3.85%)	⬇️
...port/identifier/BaseServiceMetadataIdentifier.java	57.14% <0.00%> (-3.58%)	⬇️
...he/dubbo/remoting/transport/netty/NettyServer.java	70.17% <0.00%> (-3.51%)	⬇️
...g/apache/dubbo/registry/consul/ConsulRegistry.java	60.00% <0.00%> (-0.59%)	⬇️
...apache/dubbo/common/extension/ExtensionLoader.java	80.89% <0.00%> (-0.43%)	⬇️
...he/dubbo/registry/multicast/MulticastRegistry.java	68.37% <0.00%> (+0.93%)	⬆️
...pache/dubbo/registry/support/AbstractRegistry.java	80.37% <0.00%> (+2.22%)	⬆️
... and 2 more

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