[bugfix](hdfs)support default fsname in processing hash

[wuwenchi]

Proposed changes

When the hash is calculated, if there is no fsname specified, use the fsname in hdfs_params.

follow: #34790

Further comments

If this is a relatively large or complex change, kick off the discussion at [email protected] by explaining why you chose the solution you did and what alternatives you considered, etc...

[doris-robot]

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[wuwenchi]

run buildall

[github-actions[bot]]

clang-tidy review says "All clean, LGTM! :+1:"

[doris-robot]

TeamCity be ut coverage result: Function Coverage: 35.69% (9016/25263) Line Coverage: 27.33% (74525/272669) Region Coverage: 26.54% (38513/145116) Branch Coverage: 23.40% (19653/84002) Coverage Report: http://coverage.selectdb-in.cc/coverage/d2fbfc2fc7112d61372dfdb71bca7506a98f3fa8_d2fbfc2fc7112d61372dfdb71bca7506a98f3fa8/report/index.html

[github-actions[bot]]

PR approved by at least one committer and no changes requested.

[github-actions[bot]]

PR approved by anyone and no changes requested.