Fix vector-related issues for seekdb on macOS small farm

[ep-12221]

Environment

Please provide the output of bin/observer -V. If this test also involves a version change for obproxy, please also provide the output of obproxy -V.

Is this a temporary version provided by RD?

No / Provided temporarily by xxx

Reproducibility

Consistent / Occasional / Uncertain / Other

Test Changes

Added xx test scenario / Changed to new machine / Ran xx new tool / Issue appeared only after replacing with new version

Any other anomalies or changes in the environment?

No / Clog disk was full / Manual operation performed... / Injected xx exception

Description / Steps to Reproduce (Please attach SQL for reproduction if possible)

Please describe in detail: what workload was run on the environment, what actions were taken before the problem occurred, and any test changes, etc.

Strongly discouraged: Only posting ERROR logs or only posting stack traces!

Environment Information

Please provide the connection strings for the problematic tenant and the sys tenant, as well as deployment information.
Is the site preserved?

Log Information

Other

For issues reported by external business teams, please correctly select the "Work Item Type" on the right based on the actual situation:

• Customer Service Feedback: Specifically refers to problems before production deployment or during POC, clearly identified as product bugs requiring fixes and version releases.
• Online Issue: Problems that have occurred after production deployment, clearly identified as product bugs, but not defined as faults.
• Online Fault: Problems that have occurred after production deployment, clearly identified as product bugs, causing business errors or public relations impact on the customer side (the interpretation of whether it constitutes a fault belongs to the delivery service team).