[feature](workload) Support remote scan bytes breaker in workload policy

[wenzhenghu]

What problem does this PR solve?

Issue Number: None

Related PR: None

Problem Summary:

This PR adds a new workload policy condition be_scan_bytes_from_remote_storage, which allows Doris to cancel queries according to the amount of data read from remote storage by BE scan tasks. This is useful for limiting external table queries that read too much remote HDFS or object storage data.

Implementation summary:

• Add a new BE-side workload metric type in thrift for remote storage scan bytes.
• Add FE workload policy parsing, validation, metadata mapping, and replay support for be_scan_bytes_from_remote_storage.
• Add BE workload condition evaluation based on io_context()->scan_bytes_from_remote_storage().
• Add regression coverage using an existing Hive external lineitem table.

Release note

Support workload policy cancellation by BE remote storage scan bytes.

Check List (For Author)

• Test:
  • FE UT: passed
  • BE UT: passed
  • Regression test: passed, test_workload_policy_remote_scan_bytes
  • Manual test: verified existing workload policy behavior and new remote scan bytes cancellation on a deployed Doris instance
• Behavior changed: Yes. Add a new workload policy condition be_scan_bytes_from_remote_storage.
• Does this need documentation: Yes. The workload policy condition list should be updated.

[hello-stephen]

Thank you for your contribution to Apache Doris.
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Please clearly describe your PR:

1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
3. What features were added. Why was this function added?
4. Which code was refactored and why was this part of the code refactored?
5. Which functions were optimized and what is the difference before and after the optimization?

[wenzhenghu]

run buildall

[hello-stephen]

Cloud UT Coverage Report

Increment line coverage 🎉

Increment coverage report
Complete coverage report

Category	Coverage
Function Coverage	77.32% (1889/2443)
Line Coverage	64.43% (33969/52726)
Region Coverage	64.78% (17457/26948)
Branch Coverage	53.95% (9342/17316)