fix: fix api path tree building

[fuyuwei01]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 19.84%. Comparing base (f55af1e) to head (1952120).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...n/java/com/tencent/polaris/api/utils/TrieUtil.java	0.00%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #660      +/-   ##
============================================
+ Coverage     19.82%   19.84%   +0.02%     
- Complexity      942      944       +2     
============================================
  Files           373      373              
  Lines         15566    15570       +4     
  Branches       1994     1995       +1     
============================================
+ Hits           3086     3090       +4     
- Misses        12097    12098       +1     
+ Partials        383      382       -1     

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[SkyeBeFreeman]

如果path是/，那么apiPaths是什么样的？

[fuyuwei01]

apiPaths.length为0，仅返回根节点

[fuyuwei01]

这里会有个情况是，/path会和path生成同样的树结构。

[SkyeBeFreeman]

需要补充多点单测用例，来保证正确。

[SkyeBeFreeman]

需要补充多点单测用例，来保证正确。