fix: add DB-Name header to get import progress REST API requests

[xiaowshi]

issue #3413

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[yhmo]

/lgtm

[pymilvus-bot]

The fix correctly adds db_name parameter to get_import_progress and injects it as the DB-Name HTTP header via _http_headers. However, the issue title and body explicitly call out both get_import_progress and list_import_jobs as affected.

Looking at list_import_jobs in master, it already accepts a db_name parameter but passes it only as a JSON body field ("dbName": db_name), not as the DB-Name HTTP header. Since the RBAC PrivilegeInterceptor reads the database name from the HTTP header, list_import_jobs has the same 403 problem for non-default databases with RBAC enabled.

Please also pass db_name to _post_request (and hence _http_headers) in list_import_jobs, similar to the fix already applied to get_import_progress.

Example (in list_import_jobs):

resp = _post_request(
    url=request_url, api_key=api_key, params=params, verify=verify, cert=cert,
    db_name=db_name,  # add this
    **kwargs,
)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.97%. Comparing base (4aeac5d) to head (24c17e4).
⚠️ Report is 9 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3415      +/-   ##
==========================================
+ Coverage   90.79%   90.97%   +0.18%     
==========================================
  Files          64       64              
  Lines       13945    13982      +37     
==========================================
+ Hits        12661    12720      +59     
+ Misses       1284     1262      -22     

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[XuanYang-cn]

@xiaowshi, please add ut to increase the patch cov into 90% so that the patch checks will pass.

[sre-ci-robot]

New changes are detected. LGTM label has been removed.

[XuanYang-cn]

Please run make format before pushing to fix code style. @xiaowshi