fix(loader): support file name with prefix for hdfs source

[JackyYangPassion]

Purpose of the PR

• close #570

Main Changes

support file name with prefix for hdfs source

Verifying these changes

• [ ] Trivial rework / code cleanup without any test coverage. (No Need)
• [ ] Already covered by existing tests, such as (please modify tests here).
• [x] Need tests and can be verified as follows:
  • xxx

Does this PR potentially affect the following parts?

• [x] Nope
• [ ] Dependencies (add/update license info)
• [ ] Modify configurations
• [ ] The public API
• [ ] Other affects (typed here)

Documentation Status

• [x] Doc - TODO
• [ ] Doc - Done
• [ ] Doc - No Need

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 80.00000% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 62.10%. Comparing base (b066b80) to head (98f2602). Report is 26 commits behind head on master.

Files	Patch %	Lines
...e/hugegraph/loader/reader/hdfs/HDFSFileReader.java	80.00%	1 Missing and 3 partials :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #571 +/- ## ============================================ - Coverage 62.49% 62.10% -0.39% + Complexity 1903 932 -971 ============================================ Files 262 93 -169 Lines 9541 4550 -4991 Branches 886 532 -354 ============================================ - Hits 5963 2826 -3137 + Misses 3190 1513 -1677 + Partials 388 211 -177 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.