Rust: Rename Error to Status

[youyuanwu]

Description

Originally Error was crated to wrap the quic status code in rust Result<(),Error>, but it creates confusions with the msquic naming. In callback events, "status" fields are used and Error in status fields looks odd.
Using StatusCode in callback events has other problems since StatusCode enum does not capture all possible returns from msquic. See #4786.
This PR renames Error to Status, and it will be used in callback events. This is also consistent with the StatusCode rename completed previously in #4765

Testing

Existing tests.

Documentation

NA

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.70%. Comparing base (ba795e0) to head (6167ec5).
Report is 10 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4791      +/-   ##
==========================================
- Coverage   87.38%   86.70%   -0.69%     
==========================================
  Files          56       56              
  Lines       17400    17400              
==========================================
- Hits        15205    15086     -119     
- Misses       2195     2314     +119     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.