[type:refactor] refactor trie code

[moremind]

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 #4444 (18c59c2) into master (b7c0c59) will decrease coverage by 0.05%.
The diff coverage is 19.31%.

@@             Coverage Diff              @@
##             master    #4444      +/-   ##
============================================
- Coverage     68.01%   67.96%   -0.05%     
- Complexity     7503     7513      +10     
============================================
  Files          1025     1026       +1     
  Lines         29035    29099      +64     
  Branches       2599     2611      +12     
============================================
+ Hits          19748    19777      +29     
- Misses         7733     7764      +31     
- Partials       1554     1558       +4     

Impacted Files	Coverage Δ
...ache/shenyu/admin/controller/PluginController.java	86.66% <ø> (ø)
.../apache/shenyu/common/constant/AdminConstants.java	0.00% <ø> (ø)
...apache/shenyu/common/utils/JarDependencyUtils.java	0.00% <0.00%> (ø)
...henyu/plugin/base/trie/ShenyuTrieRuleListener.java	0.00% <0.00%> (ø)
...e/shenyu/web/controller/LocalPluginController.java	94.65% <0.00%> (ø)
.../java/org/apache/shenyu/common/dto/PluginData.java	57.33% <9.09%> (-6.31%)	⬇️
...e/shenyu/admin/service/impl/PluginServiceImpl.java	57.14% <10.00%> (-10.25%)	⬇️
...org/apache/shenyu/admin/model/entity/PluginDO.java	69.89% <25.00%> (-6.36%)	⬇️
...a/org/apache/shenyu/admin/model/dto/PluginDTO.java	62.16% <50.00%> (+1.55%)	⬆️
...org/apache/shenyu/plugin/base/trie/ShenyuTrie.java	70.76% <66.66%> (+0.81%)	⬆️
... and 5 more

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